diff --git a/path.go b/path.go
index 27f09f5f9e..927a97aaca 100644
--- a/path.go
+++ b/path.go
@@ -362,23 +362,15 @@ func findLastCharsetPosition(search string, charset []byte) int {
 // findNextCharsetPositionConstraint search the next char position from the charset
 // unlike findNextCharsetPosition, it takes care of constraint start-end chars to parse route pattern
 func findNextCharsetPositionConstraint(search string, charset []byte) int {
+	constraintStart := findNextNonEscapedCharsetPosition(search, parameterConstraintStartChars)
+	constraintEnd := findNextNonEscapedCharsetPosition(search, parameterConstraintEndChars)
 	nextPosition := -1
-	constraintStart := -1
-	constraintEnd := -1
 
 	for _, char := range charset {
 		pos := strings.IndexByte(search, char)
 
-		if char == paramConstraintStart {
-			constraintStart = pos
-		}
-
-		if char == paramConstraintEnd {
-			constraintEnd = pos
-		}
-
 		if pos != -1 && (pos < nextPosition || nextPosition == -1) {
-			if pos > constraintStart && pos < constraintEnd {
+			if (pos > constraintStart && pos > constraintEnd) || (pos < constraintStart && pos < constraintEnd) {
 				nextPosition = pos
 			}
 		}
diff --git a/path_test.go b/path_test.go
index ca02ea2b15..b25816c401 100644
--- a/path_test.go
+++ b/path_test.go
@@ -568,6 +568,35 @@ func Test_Path_matchParams(t *testing.T) {
 		{url: "/api/v1/1200", params: []string{"1200"}, match: true},
 		{url: "/api/v1/true", params: []string{"true"}, match: false},
 	})
+	testCase("/api/v1/:lang<len(2)>/videos/:page<range(100,1500)>", []testparams{
+		{url: "/api/v1/try/videos/200", params: []string{"try", "200"}, match: false},
+		{url: "/api/v1/tr/videos/1800", params: []string{"tr", "1800"}, match: false},
+		{url: "/api/v1/tr/videos/100", params: []string{"tr", "100"}, match: true},
+		{url: "/api/v1/e/videos/10", params: []string{"tr", "200"}, match: false},
+	})
+	testCase("/api/v1/:lang<len(2)>/:page<range(100,1500)>", []testparams{
+		{url: "/api/v1/try/200", params: []string{"try", "200"}, match: false},
+		{url: "/api/v1/tr/1800", params: []string{"tr", "1800"}, match: false},
+		{url: "/api/v1/tr/100", params: []string{"tr", "100"}, match: true},
+		{url: "/api/v1/e/10", params: []string{"tr", "200"}, match: false},
+	})
+	testCase("/api/v1/:lang/:page<range(100,1500)>", []testparams{
+		{url: "/api/v1/try/200", params: []string{"try", "200"}, match: true},
+		{url: "/api/v1/tr/1800", params: []string{"tr", "1800"}, match: false},
+		{url: "/api/v1/tr/100", params: []string{"tr", "100"}, match: true},
+		{url: "/api/v1/e/10", params: []string{"tr", "200"}, match: false},
+	})
+	testCase("/api/v1/:lang<len(2)>/:page", []testparams{
+		{url: "/api/v1/try/200", params: []string{"try", "200"}, match: false},
+		{url: "/api/v1/tr/1800", params: []string{"tr", "1800"}, match: true},
+		{url: "/api/v1/tr/100", params: []string{"tr", "100"}, match: true},
+		{url: "/api/v1/e/10", params: []string{"tr", "200"}, match: false},
+	})
+	testCase("/api/v1/:date<datetime(2006\\-01\\-02)>/:regex<regex(p([a-z]+)ch)>", []testparams{
+		{url: "/api/v1/2005-11-01/a", params: []string{"2005-11-01", "a"}, match: false},
+		{url: "/api/v1/2005-1101/paach", params: []string{"2005-1101", "a"}, match: false},
+		{url: "/api/v1/2005-11-01/peach", params: []string{"2005-11-01", "peach"}, match: true},
+	})
 }
 
 func Test_Utils_GetTrimmedParam(t *testing.T) {
@@ -793,4 +822,33 @@ func Benchmark_Path_matchParams(t *testing.B) {
 		{url: "/api/v1/1200", params: []string{"1200"}, match: true},
 		{url: "/api/v1/true", params: []string{"true"}, match: false},
 	})
+	benchCase("/api/v1/:lang<len(2)>/videos/:page<range(100,1500)>", []testparams{
+		{url: "/api/v1/try/videos/200", params: []string{"try", "200"}, match: false},
+		{url: "/api/v1/tr/videos/1800", params: []string{"tr", "1800"}, match: false},
+		{url: "/api/v1/tr/videos/100", params: []string{"tr", "100"}, match: true},
+		{url: "/api/v1/e/videos/10", params: []string{"tr", "200"}, match: false},
+	})
+	benchCase("/api/v1/:lang<len(2)>/:page<range(100,1500)>", []testparams{
+		{url: "/api/v1/try/200", params: []string{"try", "200"}, match: false},
+		{url: "/api/v1/tr/1800", params: []string{"tr", "1800"}, match: false},
+		{url: "/api/v1/tr/100", params: []string{"tr", "100"}, match: true},
+		{url: "/api/v1/e/10", params: []string{"tr", "200"}, match: false},
+	})
+	benchCase("/api/v1/:lang/:page<range(100,1500)>", []testparams{
+		{url: "/api/v1/try/200", params: []string{"try", "200"}, match: true},
+		{url: "/api/v1/tr/1800", params: []string{"tr", "1800"}, match: false},
+		{url: "/api/v1/tr/100", params: []string{"tr", "100"}, match: true},
+		{url: "/api/v1/e/10", params: []string{"tr", "200"}, match: false},
+	})
+	benchCase("/api/v1/:lang<len(2)>/:page", []testparams{
+		{url: "/api/v1/try/200", params: []string{"try", "200"}, match: false},
+		{url: "/api/v1/tr/1800", params: []string{"tr", "1800"}, match: true},
+		{url: "/api/v1/tr/100", params: []string{"tr", "100"}, match: true},
+		{url: "/api/v1/e/10", params: []string{"tr", "200"}, match: false},
+	})
+	benchCase("/api/v1/:date<datetime(2006\\-01\\-02)>/:regex<regex(p([a-z]+)ch)>", []testparams{
+		{url: "/api/v1/2005-11-01/a", params: []string{"2005-11-01", "a"}, match: false},
+		{url: "/api/v1/2005-1101/paach", params: []string{"2005-1101", "a"}, match: false},
+		{url: "/api/v1/2005-11-01/peach", params: []string{"2005-11-01", "peach"}, match: true},
+	})
 }