From ff09dc5b19a01c681a9944176ad2e51157bd580b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mar=C3=ADa=20Candela=20Paez?=
 <95256@sistemas.frc.utn.edu.ar>
Date: Sat, 13 Jun 2026 19:22:30 -0300
Subject: [PATCH] fix correct regex flag placement in rna-transcription
 TypeScript mentoring

The regex /[CGAT]g/ had the global flag 'g' inside the character class instead of after the closing slash. Fixed to /[CGAT]/g so it correctly applies the global flag.
---
 tracks/typescript/exercises/rna-transcription/mentoring.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tracks/typescript/exercises/rna-transcription/mentoring.md b/tracks/typescript/exercises/rna-transcription/mentoring.md
index 991138483..40b924f1f 100644
--- a/tracks/typescript/exercises/rna-transcription/mentoring.md
+++ b/tracks/typescript/exercises/rna-transcription/mentoring.md
@@ -42,7 +42,7 @@ return sequence.replace(/./g, (nucleotide) => /* */)
 
 Variations include replacing only the "known" nucleotides:
 ```typescript
-sequence.replace(/[CGAT]g/, (nucleotide) => /* */)
+sequence.replace(/[CGAT]/g, (nucleotide) => /* */)
 ```
 
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