fix: adjust regex (#9572)

would error on non-quoted attributes with more than one character
sveltejs · Nov 21, 2023 · 617df1f · 617df1f · vercel · Nov 21, 2023
1 parent b966470
commit 617df1f
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diff --git a/.changeset/wicked-clouds-exercise.md b/.changeset/wicked-clouds-exercise.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: adjust regex
diff --git a/packages/svelte/src/compiler/phases/1-parse/index.js b/packages/svelte/src/compiler/phases/1-parse/index.js
@@ -11,7 +11,7 @@ import read_options from './read/options.js';
 const regex_position_indicator = / \(\d+:\d+\)$/;
 
 const regex_lang_attribute =
-	/<!--[^]*?-->|<script\s+(?:[^>]*|(?:[^=>'"/]+=(?:"[^"]*"|'[^']*'|[^>\s])\s+)*)lang=(["'])?([^"' >]+)\1[^>]*>/;
+	/<!--[^]*?-->|<script\s+(?:[^>]*|(?:[^=>'"/]+=(?:"[^"]*"|'[^']*'|[^>\s]+)\s+)*)lang=(["'])?([^"' >]+)\1[^>]*>/;
 
 export class Parser {
 	/**