diff --git a/.changeset/wicked-clouds-exercise.md b/.changeset/wicked-clouds-exercise.md
new file mode 100644
index 0000000000..64c1c0c9b2
--- /dev/null
+++ 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
index eef5178fb1..8c1bb174f8 100644
--- 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 {
 	/**