diff --git a/codec/regexp.gen.go b/codec/regexp.gen.go
index a36ccef..bfb4f71 100644
--- a/codec/regexp.gen.go
+++ b/codec/regexp.gen.go
@@ -16,7 +16,7 @@ Capture(index = 0, unindex = -1)
     One(Ch = ')
     Atomic
      Alternate
-      Set(Set = [R-Tr-tſ])
+      Set(Set = [STstſ])
       Concatenate
        Set(Set = [Rr])
        Set(Set = [Ee])
@@ -102,9 +102,9 @@ func splitRegexp_Execute(r *regexp2.Runner) error {
 	alternation_starting_pos1 = pos
 
 	// Branch 0
-	// Node: Set(Set = [R-Tr-tſ])
-	// Match [R-Tr-tſ].
-	if len(slice) < 2 || ((slice[1] >= 128 || !helpers.IsInASCIIBitmap(slice[1], 0x0, 0x1c0000001c0000)) && (slice[1] < 128 || !set_4a1357005dba18ced5af0bde8202a98fab7a3500c675e3cb1c60597d7a36436a.CharIn(slice[1]))) {
+	// Node: Set(Set = [STstſ])
+	// Match [STstſ].
+	if len(slice) < 2 || ((slice[1] >= 128 || !helpers.IsInASCIIBitmap(slice[1], 0x0, 0x18000000180000)) && (slice[1] < 128 || !set_4a1357005dba18ced5af0bde8202a98fab7a3500c675e3cb1c60597d7a36436a.CharIn(slice[1]))) {
 		goto AlternationBranch1
 	}
 
diff --git a/tokenizer_test.go b/tokenizer_test.go
index c3be00b..77b9b40 100644
--- a/tokenizer_test.go
+++ b/tokenizer_test.go
@@ -40,6 +40,7 @@ func TestCl100kBase(t *testing.T) {
 		{text: "hello   world", ids: []uint{15339, 256, 1917}},
 		{text: "supercalifragilistic", ids: []uint{13066, 3035, 278, 333, 4193, 321, 4633}},
 		{text: "We know what we are, but know not what we may be.", ids: []uint{1687, 1440, 1148, 584, 527, 11, 719, 1440, 539, 1148, 584, 1253, 387, 13}},
+		{text: "'RE", ids: []uint{95253}},
 	}
 
 	runTests(t, tok, tests)