diff --git a/src/typescript/typescript.ts b/src/typescript/typescript.ts
index d22920e4..09441e69 100644
--- a/src/typescript/typescript.ts
+++ b/src/typescript/typescript.ts
@@ -130,7 +130,7 @@ export const language = {
 			{ include: '@whitespace' },
 
 			// regular expression: ensure it is terminated before beginning (otherwise it is an opeator)
-			[/\/(?=([^\\\/]|\\.)+\/([gimuy]*)(\s*)(\.|;|\/|,|\)|\]|\}|$))/, { token: 'regexp', bracket: '@open', next: '@regexp' }],
+			[/\/(?=([^\\\/]|\\.)+\/([gimsuy]*)(\s*)(\.|;|\/|,|\)|\]|\}|$))/, { token: 'regexp', bracket: '@open', next: '@regexp' }],
 
 			// delimiters and operators
 			[/[()\[\]]/, '@brackets'],