diff --git a/lib/logstorage/filter.go b/lib/logstorage/filter.go
index 254015eaf..52e1ebd96 100644
--- a/lib/logstorage/filter.go
+++ b/lib/logstorage/filter.go
@@ -2,7 +2,6 @@ package logstorage
 
 import (
 	"bytes"
-	"fmt"
 	"math"
 	"strconv"
 	"strings"
@@ -12,7 +11,6 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/encoding"
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/stringsutil"
 )
 
 type filter interface {
@@ -71,93 +69,6 @@ func (fs *streamFilter) apply(bs *blockSearch, bm *bitmap) {
 	}
 }
 
-// anyCasePhraseFilter filters field entries by case-insensitive phrase match.
-//
-// An example LogsQL query: `fieldName:i(word)` or `fieldName:i("word1 ... wordN")`
-type anyCasePhraseFilter struct {
-	fieldName string
-	phrase    string
-
-	phraseLowercaseOnce sync.Once
-	phraseLowercase     string
-
-	tokensOnce sync.Once
-	tokens     []string
-}
-
-func (fp *anyCasePhraseFilter) String() string {
-	return fmt.Sprintf("%si(%s)", quoteFieldNameIfNeeded(fp.fieldName), quoteTokenIfNeeded(fp.phrase))
-}
-
-func (fp *anyCasePhraseFilter) getTokens() []string {
-	fp.tokensOnce.Do(fp.initTokens)
-	return fp.tokens
-}
-
-func (fp *anyCasePhraseFilter) initTokens() {
-	fp.tokens = tokenizeStrings(nil, []string{fp.phrase})
-}
-
-func (fp *anyCasePhraseFilter) getPhraseLowercase() string {
-	fp.phraseLowercaseOnce.Do(fp.initPhraseLowercase)
-	return fp.phraseLowercase
-}
-
-func (fp *anyCasePhraseFilter) initPhraseLowercase() {
-	fp.phraseLowercase = strings.ToLower(fp.phrase)
-}
-
-func (fp *anyCasePhraseFilter) apply(bs *blockSearch, bm *bitmap) {
-	fieldName := fp.fieldName
-	phraseLowercase := fp.getPhraseLowercase()
-
-	// Verify whether fp matches const column
-	v := bs.csh.getConstColumnValue(fieldName)
-	if v != "" {
-		if !matchAnyCasePhrase(v, phraseLowercase) {
-			bm.resetBits()
-		}
-		return
-	}
-
-	// Verify whether fp matches other columns
-	ch := bs.csh.getColumnHeader(fieldName)
-	if ch == nil {
-		// Fast path - there are no matching columns.
-		// It matches anything only for empty phrase.
-		if len(phraseLowercase) > 0 {
-			bm.resetBits()
-		}
-		return
-	}
-
-	tokens := fp.getTokens()
-
-	switch ch.valueType {
-	case valueTypeString:
-		matchStringByAnyCasePhrase(bs, ch, bm, phraseLowercase)
-	case valueTypeDict:
-		matchValuesDictByAnyCasePhrase(bs, ch, bm, phraseLowercase)
-	case valueTypeUint8:
-		matchUint8ByExactValue(bs, ch, bm, phraseLowercase, tokens)
-	case valueTypeUint16:
-		matchUint16ByExactValue(bs, ch, bm, phraseLowercase, tokens)
-	case valueTypeUint32:
-		matchUint32ByExactValue(bs, ch, bm, phraseLowercase, tokens)
-	case valueTypeUint64:
-		matchUint64ByExactValue(bs, ch, bm, phraseLowercase, tokens)
-	case valueTypeFloat64:
-		matchFloat64ByPhrase(bs, ch, bm, phraseLowercase, tokens)
-	case valueTypeIPv4:
-		matchIPv4ByPhrase(bs, ch, bm, phraseLowercase, tokens)
-	case valueTypeTimestampISO8601:
-		phraseUppercase := strings.ToUpper(fp.phrase)
-		matchTimestampISO8601ByPhrase(bs, ch, bm, phraseUppercase, tokens)
-	default:
-		logger.Panicf("FATAL: %s: unknown valueType=%d", bs.partPath(), ch.valueType)
-	}
-}
-
 // phraseFilter filters field entries by phrase match (aka full text search).
 //
 // A phrase consists of any number of words with delimiters between them.
@@ -314,17 +225,6 @@ func matchFloat64ByPhrase(bs *blockSearch, ch *columnHeader, bm *bitmap, phrase
 	bbPool.Put(bb)
 }
 
-func matchValuesDictByAnyCasePhrase(bs *blockSearch, ch *columnHeader, bm *bitmap, phraseLowercase string) {
-	bb := bbPool.Get()
-	for i, v := range ch.valuesDict.values {
-		if matchAnyCasePhrase(v, phraseLowercase) {
-			bb.B = append(bb.B, byte(i))
-		}
-	}
-	matchEncodedValuesDict(bs, ch, bm, bb.B)
-	bbPool.Put(bb)
-}
-
 func matchValuesDictByAnyValue(bs *blockSearch, ch *columnHeader, bm *bitmap, values map[string]struct{}) {
 	bb := bbPool.Get()
 	for i, v := range ch.valuesDict.values {
@@ -363,12 +263,6 @@ func matchEncodedValuesDict(bs *blockSearch, ch *columnHeader, bm *bitmap, encod
 	})
 }
 
-func matchStringByAnyCasePhrase(bs *blockSearch, ch *columnHeader, bm *bitmap, phraseLowercase string) {
-	visitValues(bs, ch, bm, func(v string) bool {
-		return matchAnyCasePhrase(v, phraseLowercase)
-	})
-}
-
 func matchStringByPhrase(bs *blockSearch, ch *columnHeader, bm *bitmap, phrase string, tokens []string) {
 	if !matchBloomFilterAllTokens(bs, ch, tokens) {
 		bm.resetBits()
@@ -422,30 +316,6 @@ func isASCIILowercase(s string) bool {
 	return true
 }
 
-func matchAnyCasePhrase(s, phraseLowercase string) bool {
-	if len(phraseLowercase) == 0 {
-		// Special case - empty phrase matches only empty string.
-		return len(s) == 0
-	}
-	if len(phraseLowercase) > len(s) {
-		return false
-	}
-
-	if isASCIILowercase(s) {
-		// Fast path - s is in lowercase
-		return matchPhrase(s, phraseLowercase)
-	}
-
-	// Slow path - convert s to lowercase before matching
-	bb := bbPool.Get()
-	bb.B = stringsutil.AppendLowercase(bb.B, s)
-	sLowercase := bytesutil.ToUnsafeString(bb.B)
-	ok := matchPhrase(sLowercase, phraseLowercase)
-	bbPool.Put(bb)
-
-	return ok
-}
-
 func matchPhrase(s, phrase string) bool {
 	if len(phrase) == 0 {
 		// Special case - empty phrase matches only empty string.
diff --git a/lib/logstorage/filter_any_case_phrase.go b/lib/logstorage/filter_any_case_phrase.go
new file mode 100644
index 000000000..0febdf341
--- /dev/null
+++ b/lib/logstorage/filter_any_case_phrase.go
@@ -0,0 +1,139 @@
+package logstorage
+
+import (
+	"fmt"
+	"strings"
+	"sync"
+
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/stringsutil"
+)
+
+// filterAnyCasePhrase filters field entries by case-insensitive phrase match.
+//
+// An example LogsQL query: `fieldName:i(word)` or `fieldName:i("word1 ... wordN")`
+type filterAnyCasePhrase struct {
+	fieldName string
+	phrase    string
+
+	phraseLowercaseOnce sync.Once
+	phraseLowercase     string
+
+	tokensOnce sync.Once
+	tokens     []string
+}
+
+func (fp *filterAnyCasePhrase) String() string {
+	return fmt.Sprintf("%si(%s)", quoteFieldNameIfNeeded(fp.fieldName), quoteTokenIfNeeded(fp.phrase))
+}
+
+func (fp *filterAnyCasePhrase) getTokens() []string {
+	fp.tokensOnce.Do(fp.initTokens)
+	return fp.tokens
+}
+
+func (fp *filterAnyCasePhrase) initTokens() {
+	fp.tokens = tokenizeStrings(nil, []string{fp.phrase})
+}
+
+func (fp *filterAnyCasePhrase) getPhraseLowercase() string {
+	fp.phraseLowercaseOnce.Do(fp.initPhraseLowercase)
+	return fp.phraseLowercase
+}
+
+func (fp *filterAnyCasePhrase) initPhraseLowercase() {
+	fp.phraseLowercase = strings.ToLower(fp.phrase)
+}
+
+func (fp *filterAnyCasePhrase) apply(bs *blockSearch, bm *bitmap) {
+	fieldName := fp.fieldName
+	phraseLowercase := fp.getPhraseLowercase()
+
+	// Verify whether fp matches const column
+	v := bs.csh.getConstColumnValue(fieldName)
+	if v != "" {
+		if !matchAnyCasePhrase(v, phraseLowercase) {
+			bm.resetBits()
+		}
+		return
+	}
+
+	// Verify whether fp matches other columns
+	ch := bs.csh.getColumnHeader(fieldName)
+	if ch == nil {
+		// Fast path - there are no matching columns.
+		// It matches anything only for empty phrase.
+		if len(phraseLowercase) > 0 {
+			bm.resetBits()
+		}
+		return
+	}
+
+	tokens := fp.getTokens()
+
+	switch ch.valueType {
+	case valueTypeString:
+		matchStringByAnyCasePhrase(bs, ch, bm, phraseLowercase)
+	case valueTypeDict:
+		matchValuesDictByAnyCasePhrase(bs, ch, bm, phraseLowercase)
+	case valueTypeUint8:
+		matchUint8ByExactValue(bs, ch, bm, phraseLowercase, tokens)
+	case valueTypeUint16:
+		matchUint16ByExactValue(bs, ch, bm, phraseLowercase, tokens)
+	case valueTypeUint32:
+		matchUint32ByExactValue(bs, ch, bm, phraseLowercase, tokens)
+	case valueTypeUint64:
+		matchUint64ByExactValue(bs, ch, bm, phraseLowercase, tokens)
+	case valueTypeFloat64:
+		matchFloat64ByPhrase(bs, ch, bm, phraseLowercase, tokens)
+	case valueTypeIPv4:
+		matchIPv4ByPhrase(bs, ch, bm, phraseLowercase, tokens)
+	case valueTypeTimestampISO8601:
+		phraseUppercase := strings.ToUpper(fp.phrase)
+		matchTimestampISO8601ByPhrase(bs, ch, bm, phraseUppercase, tokens)
+	default:
+		logger.Panicf("FATAL: %s: unknown valueType=%d", bs.partPath(), ch.valueType)
+	}
+}
+
+func matchValuesDictByAnyCasePhrase(bs *blockSearch, ch *columnHeader, bm *bitmap, phraseLowercase string) {
+	bb := bbPool.Get()
+	for i, v := range ch.valuesDict.values {
+		if matchAnyCasePhrase(v, phraseLowercase) {
+			bb.B = append(bb.B, byte(i))
+		}
+	}
+	matchEncodedValuesDict(bs, ch, bm, bb.B)
+	bbPool.Put(bb)
+}
+
+func matchStringByAnyCasePhrase(bs *blockSearch, ch *columnHeader, bm *bitmap, phraseLowercase string) {
+	visitValues(bs, ch, bm, func(v string) bool {
+		return matchAnyCasePhrase(v, phraseLowercase)
+	})
+}
+
+func matchAnyCasePhrase(s, phraseLowercase string) bool {
+	if len(phraseLowercase) == 0 {
+		// Special case - empty phrase matches only empty string.
+		return len(s) == 0
+	}
+	if len(phraseLowercase) > len(s) {
+		return false
+	}
+
+	if isASCIILowercase(s) {
+		// Fast path - s is in lowercase
+		return matchPhrase(s, phraseLowercase)
+	}
+
+	// Slow path - convert s to lowercase before matching
+	bb := bbPool.Get()
+	bb.B = stringsutil.AppendLowercase(bb.B, s)
+	sLowercase := bytesutil.ToUnsafeString(bb.B)
+	ok := matchPhrase(sLowercase, phraseLowercase)
+	bbPool.Put(bb)
+
+	return ok
+}
diff --git a/lib/logstorage/filter_any_case_phrase_test.go b/lib/logstorage/filter_any_case_phrase_test.go
new file mode 100644
index 000000000..99a6516df
--- /dev/null
+++ b/lib/logstorage/filter_any_case_phrase_test.go
@@ -0,0 +1,888 @@
+package logstorage
+
+import (
+	"testing"
+)
+
+func TestMatchAnyCasePhrase(t *testing.T) {
+	f := func(s, phraseLowercase string, resultExpected bool) {
+		t.Helper()
+		result := matchAnyCasePhrase(s, phraseLowercase)
+		if result != resultExpected {
+			t.Fatalf("unexpected result; got %v; want %v", result, resultExpected)
+		}
+	}
+
+	// empty phrase matches only empty string
+	f("", "", true)
+	f("foo", "", false)
+	f("тест", "", false)
+
+	// empty string doesn't match non-empty phrase
+	f("", "foo", false)
+	f("", "тест", false)
+
+	// full match
+	f("foo", "foo", true)
+	f("FOo", "foo", true)
+	f("Test ТЕСт 123", "test тест 123", true)
+
+	// phrase match
+	f("a foo", "foo", true)
+	f("foo тест bar", "тест", true)
+	f("foo ТЕСТ bar", "тест bar", true)
+
+	// mismatch
+	f("foo", "fo", false)
+	f("тест", "foo", false)
+	f("Тест", "ест", false)
+}
+
+func TestFilterAnyCasePhrase(t *testing.T) {
+	t.Run("single-row", func(t *testing.T) {
+		columns := []column{
+			{
+				name: "foo",
+				values: []string{
+					"aBc DEf",
+				},
+			},
+			{
+				name: "other column",
+				values: []string{
+					"aSDfdsF",
+				},
+			},
+		}
+
+		// match
+		pf := &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "Abc",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "abc def",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "def",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "other column",
+			phrase:    "ASdfdsf",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "non-existing-column",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0})
+
+		// mismatch
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "ab",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "other column",
+			phrase:    "sd",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "non-existing column",
+			phrase:    "abc",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+	})
+
+	t.Run("const-column", func(t *testing.T) {
+		columns := []column{
+			{
+				name: "other-column",
+				values: []string{
+					"X",
+					"x",
+					"x",
+				},
+			},
+			{
+				name: "foo",
+				values: []string{
+					"aBC def",
+					"abc DEf",
+					"Abc deF",
+				},
+			},
+			{
+				name: "_msg",
+				values: []string{
+					"1 2 3",
+					"1 2 3",
+					"1 2 3",
+				},
+			},
+		}
+
+		// match
+		pf := &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "abc",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "def",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    " def",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "abc def",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "other-column",
+			phrase:    "x",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "_msg",
+			phrase:    " 2 ",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "non-existing-column",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2})
+
+		// mismatch
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "abc def ",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "x",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "other-column",
+			phrase:    "foo",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "non-existing column",
+			phrase:    "x",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "_msg",
+			phrase:    "foo",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+	})
+
+	t.Run("dict", func(t *testing.T) {
+		columns := []column{
+			{
+				name: "foo",
+				values: []string{
+					"",
+					"fooBar",
+					"ABc",
+					"afdf foobar BAz",
+					"fddf fOObARbaz",
+					"AfooBarbaz",
+					"foobar",
+				},
+			},
+		}
+
+		// match
+		pf := &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "FoobAr",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{1, 3, 6})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "baZ",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{3})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "non-existing-column",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6})
+
+		// mismatch
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "bar",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "non-existing column",
+			phrase:    "foobar",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+	})
+
+	t.Run("strings", func(t *testing.T) {
+		columns := []column{
+			{
+				name: "foo",
+				values: []string{
+					"a foo",
+					"A Foobar",
+					"aA aBC a",
+					"ca afdf a,foobar baz",
+					"a fddf foobarbaz",
+					"a aFOObarbaz",
+					"a foobar",
+					"a kjlkjf dfff",
+					"a ТЕСТЙЦУК НГКШ ",
+					"a !!,23.(!1)",
+				},
+			},
+		}
+
+		// match
+		pf := &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "A",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "НгкШ",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{8})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "non-existing-column",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "!,",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{9})
+
+		// mismatch
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "aa a",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "bar",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "@",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+	})
+
+	t.Run("uint8", func(t *testing.T) {
+		columns := []column{
+			{
+				name: "foo",
+				values: []string{
+					"123",
+					"12",
+					"32",
+					"0",
+					"0",
+					"12",
+					"1",
+					"2",
+					"3",
+					"4",
+					"5",
+				},
+			},
+		}
+
+		// match
+		pf := &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "12",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{1, 5})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "0",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{3, 4})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "non-existing-column",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10})
+
+		// mismatch
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "bar",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "33",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "1234",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+	})
+
+	t.Run("uint16", func(t *testing.T) {
+		columns := []column{
+			{
+				name: "foo",
+				values: []string{
+					"1234",
+					"0",
+					"3454",
+					"65535",
+					"1234",
+					"1",
+					"2",
+					"3",
+					"4",
+					"5",
+				},
+			},
+		}
+
+		// match
+		pf := &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "1234",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 4})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "0",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{1})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "non-existing-column",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9})
+
+		// mismatch
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "bar",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "33",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "123456",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+	})
+
+	t.Run("uint32", func(t *testing.T) {
+		columns := []column{
+			{
+				name: "foo",
+				values: []string{
+					"1234",
+					"0",
+					"3454",
+					"65536",
+					"1234",
+					"1",
+					"2",
+					"3",
+					"4",
+					"5",
+				},
+			},
+		}
+
+		// match
+		pf := &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "1234",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 4})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "65536",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{3})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "non-existing-column",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9})
+
+		// mismatch
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "bar",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "33",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "12345678901",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+	})
+
+	t.Run("uint64", func(t *testing.T) {
+		columns := []column{
+			{
+				name: "foo",
+				values: []string{
+					"1234",
+					"0",
+					"3454",
+					"65536",
+					"12345678901",
+					"1",
+					"2",
+					"3",
+					"4",
+				},
+			},
+		}
+
+		// match
+		pf := &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "1234",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "12345678901",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{4})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "non-existing-column",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6, 7, 8})
+
+		// mismatch
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "bar",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "33",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "12345678901234567890",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+	})
+
+	t.Run("float64", func(t *testing.T) {
+		columns := []column{
+			{
+				name: "foo",
+				values: []string{
+					"1234",
+					"0",
+					"3454",
+					"-65536",
+					"1234.5678901",
+					"1",
+					"2",
+					"3",
+					"4",
+				},
+			},
+		}
+
+		// match
+		pf := &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "1234",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 4})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "1234.5678901",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{4})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "5678901",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{4})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "-65536",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{3})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "65536",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{3})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "non-existing-column",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6, 7, 8})
+
+		// mismatch
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "bar",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "-1234",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "+1234",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "123",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "5678",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "33",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "12345678901234567890",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+	})
+
+	t.Run("ipv4", func(t *testing.T) {
+		columns := []column{
+			{
+				name: "foo",
+				values: []string{
+					"1.2.3.4",
+					"0.0.0.0",
+					"127.0.0.1",
+					"254.255.255.255",
+					"127.0.0.1",
+					"127.0.0.1",
+					"127.0.4.2",
+					"127.0.0.1",
+					"12.0.127.6",
+					"55.55.55.55",
+					"66.66.66.66",
+					"7.7.7.7",
+				},
+			},
+		}
+
+		// match
+		pf := &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "127.0.0.1",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{2, 4, 5, 7})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "127",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{2, 4, 5, 6, 7, 8})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "127.0.0",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{2, 4, 5, 7})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "2.3",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "0",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{1, 2, 4, 5, 6, 7, 8})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "non-existing-column",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11})
+
+		// mismatch
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "bar",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "5",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "127.1",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "27.0",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "foo",
+			phrase:    "255.255.255.255",
+		}
+		testFilterMatchForColumns(t, columns, pf, "foo", nil)
+	})
+
+	t.Run("timestamp-iso8601", func(t *testing.T) {
+		columns := []column{
+			{
+				name: "_msg",
+				values: []string{
+					"2006-01-02T15:04:05.001Z",
+					"2006-01-02T15:04:05.002Z",
+					"2006-01-02T15:04:05.003Z",
+					"2006-01-02T15:04:05.004Z",
+					"2006-01-02T15:04:05.005Z",
+					"2006-01-02T15:04:05.006Z",
+					"2006-01-02T15:04:05.007Z",
+					"2006-01-02T15:04:05.008Z",
+					"2006-01-02T15:04:05.009Z",
+				},
+			},
+		}
+
+		// match
+		pf := &filterAnyCasePhrase{
+			fieldName: "_msg",
+			phrase:    "2006-01-02t15:04:05.005z",
+		}
+		testFilterMatchForColumns(t, columns, pf, "_msg", []int{4})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "_msg",
+			phrase:    "2006-01",
+		}
+		testFilterMatchForColumns(t, columns, pf, "_msg", []int{0, 1, 2, 3, 4, 5, 6, 7, 8})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "_msg",
+			phrase:    "002Z",
+		}
+		testFilterMatchForColumns(t, columns, pf, "_msg", []int{1})
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "non-existing-column",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "_msg", []int{0, 1, 2, 3, 4, 5, 6, 7, 8})
+
+		// mimatch
+		pf = &filterAnyCasePhrase{
+			fieldName: "_msg",
+			phrase:    "bar",
+		}
+		testFilterMatchForColumns(t, columns, pf, "_msg", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "_msg",
+			phrase:    "",
+		}
+		testFilterMatchForColumns(t, columns, pf, "_msg", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "_msg",
+			phrase:    "2006-03-02T15:04:05.005Z",
+		}
+		testFilterMatchForColumns(t, columns, pf, "_msg", nil)
+
+		pf = &filterAnyCasePhrase{
+			fieldName: "_msg",
+			phrase:    "06",
+		}
+		testFilterMatchForColumns(t, columns, pf, "_msg", nil)
+
+		// This filter shouldn't match row=4, since it has different string representation of the timestamp
+		pf = &filterAnyCasePhrase{
+			fieldName: "_msg",
+			phrase:    "2006-01-02T16:04:05.005+01:00",
+		}
+		testFilterMatchForColumns(t, columns, pf, "_msg", nil)
+
+		// This filter shouldn't match row=4, since it contains too many digits for millisecond part
+		pf = &filterAnyCasePhrase{
+			fieldName: "_msg",
+			phrase:    "2006-01-02T15:04:05.00500Z",
+		}
+		testFilterMatchForColumns(t, columns, pf, "_msg", nil)
+	})
+}
diff --git a/lib/logstorage/filter_test.go b/lib/logstorage/filter_test.go
index ab518ebf4..aab49a682 100644
--- a/lib/logstorage/filter_test.go
+++ b/lib/logstorage/filter_test.go
@@ -8,40 +8,6 @@ import (
 	"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
 )
 
-func TestMatchAnyCasePhrase(t *testing.T) {
-	f := func(s, phraseLowercase string, resultExpected bool) {
-		t.Helper()
-		result := matchAnyCasePhrase(s, phraseLowercase)
-		if result != resultExpected {
-			t.Fatalf("unexpected result; got %v; want %v", result, resultExpected)
-		}
-	}
-
-	// empty phrase matches only empty string
-	f("", "", true)
-	f("foo", "", false)
-	f("тест", "", false)
-
-	// empty string doesn't match non-empty phrase
-	f("", "foo", false)
-	f("", "тест", false)
-
-	// full match
-	f("foo", "foo", true)
-	f("FOo", "foo", true)
-	f("Test ТЕСт 123", "test тест 123", true)
-
-	// phrase match
-	f("a foo", "foo", true)
-	f("foo тест bar", "тест", true)
-	f("foo ТЕСТ bar", "тест bar", true)
-
-	// mismatch
-	f("foo", "fo", false)
-	f("тест", "foo", false)
-	f("Тест", "ест", false)
-}
-
 func TestMatchPhrase(t *testing.T) {
 	f := func(s, phrase string, resultExpected bool) {
 		t.Helper()
@@ -259,855 +225,6 @@ func TestStreamFilter(t *testing.T) {
 	testFilterMatchForColumns(t, columns, f, "foo", nil)
 }
 
-func TestAnyCasePhraseFilter(t *testing.T) {
-	t.Run("single-row", func(t *testing.T) {
-		columns := []column{
-			{
-				name: "foo",
-				values: []string{
-					"aBc DEf",
-				},
-			},
-			{
-				name: "other column",
-				values: []string{
-					"aSDfdsF",
-				},
-			},
-		}
-
-		// match
-		pf := &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "Abc",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "abc def",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "def",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "other column",
-			phrase:    "ASdfdsf",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "non-existing-column",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0})
-
-		// mismatch
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "ab",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "other column",
-			phrase:    "sd",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "non-existing column",
-			phrase:    "abc",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-	})
-
-	t.Run("const-column", func(t *testing.T) {
-		columns := []column{
-			{
-				name: "other-column",
-				values: []string{
-					"X",
-					"x",
-					"x",
-				},
-			},
-			{
-				name: "foo",
-				values: []string{
-					"aBC def",
-					"abc DEf",
-					"Abc deF",
-				},
-			},
-			{
-				name: "_msg",
-				values: []string{
-					"1 2 3",
-					"1 2 3",
-					"1 2 3",
-				},
-			},
-		}
-
-		// match
-		pf := &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "abc",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "def",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    " def",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "abc def",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "other-column",
-			phrase:    "x",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "_msg",
-			phrase:    " 2 ",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "non-existing-column",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2})
-
-		// mismatch
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "abc def ",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "x",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "other-column",
-			phrase:    "foo",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "non-existing column",
-			phrase:    "x",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "_msg",
-			phrase:    "foo",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-	})
-
-	t.Run("dict", func(t *testing.T) {
-		columns := []column{
-			{
-				name: "foo",
-				values: []string{
-					"",
-					"fooBar",
-					"ABc",
-					"afdf foobar BAz",
-					"fddf fOObARbaz",
-					"AfooBarbaz",
-					"foobar",
-				},
-			},
-		}
-
-		// match
-		pf := &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "FoobAr",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{1, 3, 6})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "baZ",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{3})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "non-existing-column",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6})
-
-		// mismatch
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "bar",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "non-existing column",
-			phrase:    "foobar",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-	})
-
-	t.Run("strings", func(t *testing.T) {
-		columns := []column{
-			{
-				name: "foo",
-				values: []string{
-					"a foo",
-					"A Foobar",
-					"aA aBC a",
-					"ca afdf a,foobar baz",
-					"a fddf foobarbaz",
-					"a aFOObarbaz",
-					"a foobar",
-					"a kjlkjf dfff",
-					"a ТЕСТЙЦУК НГКШ ",
-					"a !!,23.(!1)",
-				},
-			},
-		}
-
-		// match
-		pf := &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "A",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "НгкШ",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{8})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "non-existing-column",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "!,",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{9})
-
-		// mismatch
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "aa a",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "bar",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "@",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-	})
-
-	t.Run("uint8", func(t *testing.T) {
-		columns := []column{
-			{
-				name: "foo",
-				values: []string{
-					"123",
-					"12",
-					"32",
-					"0",
-					"0",
-					"12",
-					"1",
-					"2",
-					"3",
-					"4",
-					"5",
-				},
-			},
-		}
-
-		// match
-		pf := &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "12",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{1, 5})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "0",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{3, 4})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "non-existing-column",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10})
-
-		// mismatch
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "bar",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "33",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "1234",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-	})
-
-	t.Run("uint16", func(t *testing.T) {
-		columns := []column{
-			{
-				name: "foo",
-				values: []string{
-					"1234",
-					"0",
-					"3454",
-					"65535",
-					"1234",
-					"1",
-					"2",
-					"3",
-					"4",
-					"5",
-				},
-			},
-		}
-
-		// match
-		pf := &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "1234",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 4})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "0",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{1})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "non-existing-column",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9})
-
-		// mismatch
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "bar",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "33",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "123456",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-	})
-
-	t.Run("uint32", func(t *testing.T) {
-		columns := []column{
-			{
-				name: "foo",
-				values: []string{
-					"1234",
-					"0",
-					"3454",
-					"65536",
-					"1234",
-					"1",
-					"2",
-					"3",
-					"4",
-					"5",
-				},
-			},
-		}
-
-		// match
-		pf := &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "1234",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 4})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "65536",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{3})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "non-existing-column",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9})
-
-		// mismatch
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "bar",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "33",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "12345678901",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-	})
-
-	t.Run("uint64", func(t *testing.T) {
-		columns := []column{
-			{
-				name: "foo",
-				values: []string{
-					"1234",
-					"0",
-					"3454",
-					"65536",
-					"12345678901",
-					"1",
-					"2",
-					"3",
-					"4",
-				},
-			},
-		}
-
-		// match
-		pf := &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "1234",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "12345678901",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{4})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "non-existing-column",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6, 7, 8})
-
-		// mismatch
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "bar",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "33",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "12345678901234567890",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-	})
-
-	t.Run("float64", func(t *testing.T) {
-		columns := []column{
-			{
-				name: "foo",
-				values: []string{
-					"1234",
-					"0",
-					"3454",
-					"-65536",
-					"1234.5678901",
-					"1",
-					"2",
-					"3",
-					"4",
-				},
-			},
-		}
-
-		// match
-		pf := &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "1234",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 4})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "1234.5678901",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{4})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "5678901",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{4})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "-65536",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{3})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "65536",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{3})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "non-existing-column",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6, 7, 8})
-
-		// mismatch
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "bar",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "-1234",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "+1234",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "123",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "5678",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "33",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "12345678901234567890",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-	})
-
-	t.Run("ipv4", func(t *testing.T) {
-		columns := []column{
-			{
-				name: "foo",
-				values: []string{
-					"1.2.3.4",
-					"0.0.0.0",
-					"127.0.0.1",
-					"254.255.255.255",
-					"127.0.0.1",
-					"127.0.0.1",
-					"127.0.4.2",
-					"127.0.0.1",
-					"12.0.127.6",
-					"55.55.55.55",
-					"66.66.66.66",
-					"7.7.7.7",
-				},
-			},
-		}
-
-		// match
-		pf := &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "127.0.0.1",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{2, 4, 5, 7})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "127",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{2, 4, 5, 6, 7, 8})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "127.0.0",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{2, 4, 5, 7})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "2.3",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "0",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{1, 2, 4, 5, 6, 7, 8})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "non-existing-column",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11})
-
-		// mismatch
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "bar",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "5",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "127.1",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "27.0",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "foo",
-			phrase:    "255.255.255.255",
-		}
-		testFilterMatchForColumns(t, columns, pf, "foo", nil)
-	})
-
-	t.Run("timestamp-iso8601", func(t *testing.T) {
-		columns := []column{
-			{
-				name: "_msg",
-				values: []string{
-					"2006-01-02T15:04:05.001Z",
-					"2006-01-02T15:04:05.002Z",
-					"2006-01-02T15:04:05.003Z",
-					"2006-01-02T15:04:05.004Z",
-					"2006-01-02T15:04:05.005Z",
-					"2006-01-02T15:04:05.006Z",
-					"2006-01-02T15:04:05.007Z",
-					"2006-01-02T15:04:05.008Z",
-					"2006-01-02T15:04:05.009Z",
-				},
-			},
-		}
-
-		// match
-		pf := &anyCasePhraseFilter{
-			fieldName: "_msg",
-			phrase:    "2006-01-02t15:04:05.005z",
-		}
-		testFilterMatchForColumns(t, columns, pf, "_msg", []int{4})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "_msg",
-			phrase:    "2006-01",
-		}
-		testFilterMatchForColumns(t, columns, pf, "_msg", []int{0, 1, 2, 3, 4, 5, 6, 7, 8})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "_msg",
-			phrase:    "002Z",
-		}
-		testFilterMatchForColumns(t, columns, pf, "_msg", []int{1})
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "non-existing-column",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "_msg", []int{0, 1, 2, 3, 4, 5, 6, 7, 8})
-
-		// mimatch
-		pf = &anyCasePhraseFilter{
-			fieldName: "_msg",
-			phrase:    "bar",
-		}
-		testFilterMatchForColumns(t, columns, pf, "_msg", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "_msg",
-			phrase:    "",
-		}
-		testFilterMatchForColumns(t, columns, pf, "_msg", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "_msg",
-			phrase:    "2006-03-02T15:04:05.005Z",
-		}
-		testFilterMatchForColumns(t, columns, pf, "_msg", nil)
-
-		pf = &anyCasePhraseFilter{
-			fieldName: "_msg",
-			phrase:    "06",
-		}
-		testFilterMatchForColumns(t, columns, pf, "_msg", nil)
-
-		// This filter shouldn't match row=4, since it has different string representation of the timestamp
-		pf = &anyCasePhraseFilter{
-			fieldName: "_msg",
-			phrase:    "2006-01-02T16:04:05.005+01:00",
-		}
-		testFilterMatchForColumns(t, columns, pf, "_msg", nil)
-
-		// This filter shouldn't match row=4, since it contains too many digits for millisecond part
-		pf = &anyCasePhraseFilter{
-			fieldName: "_msg",
-			phrase:    "2006-01-02T15:04:05.00500Z",
-		}
-		testFilterMatchForColumns(t, columns, pf, "_msg", nil)
-	})
-}
-
 func TestPhraseFilter(t *testing.T) {
 	t.Run("single-row", func(t *testing.T) {
 		columns := []column{
diff --git a/lib/logstorage/parser.go b/lib/logstorage/parser.go
index 9f0ce18ea..fc8e4f286 100644
--- a/lib/logstorage/parser.go
+++ b/lib/logstorage/parser.go
@@ -483,7 +483,7 @@ func parseAnyCaseFilter(lex *lexer, fieldName string) (filter, error) {
 			}
 			return f, nil
 		}
-		f := &anyCasePhraseFilter{
+		f := &filterAnyCasePhrase{
 			fieldName: fieldName,
 			phrase:    phrase,
 		}
diff --git a/lib/logstorage/parser_test.go b/lib/logstorage/parser_test.go
index a43c0fb4f..616e57cf2 100644
--- a/lib/logstorage/parser_test.go
+++ b/lib/logstorage/parser_test.go
@@ -411,9 +411,9 @@ func TestParseAnyCasePhraseFilter(t *testing.T) {
 		if err != nil {
 			t.Fatalf("unexpected error: %s", err)
 		}
-		fp, ok := q.f.(*anyCasePhraseFilter)
+		fp, ok := q.f.(*filterAnyCasePhrase)
 		if !ok {
-			t.Fatalf("unexpected filter type; got %T; want *anyCasePhraseFilter; filter: %s", q.f, q.f)
+			t.Fatalf("unexpected filter type; got %T; want *filterAnyCasePhrase; filter: %s", q.f, q.f)
 		}
 		if fp.fieldName != fieldNameExpected {
 			t.Fatalf("unexpected fieldName; got %q; want %q", fp.fieldName, fieldNameExpected)