diff --git a/.changeset/strip-style-comments.md b/.changeset/strip-style-comments.md
new file mode 100644
index 0000000000..6a27e431df
--- /dev/null
+++ b/.changeset/strip-style-comments.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: strip comments from inline `style` values in linear time
diff --git a/packages/svelte/src/internal/shared/attributes.js b/packages/svelte/src/internal/shared/attributes.js
index 487a40baf3..0a387dadc4 100644
--- a/packages/svelte/src/internal/shared/attributes.js
+++ b/packages/svelte/src/internal/shared/attributes.js
@@ -142,8 +142,9 @@ export function to_style(value, styles) {
 		}
 
 		if (value) {
+			// strip comments; surrounding whitespace is handled by the trims below
 			value = String(value)
-				.replaceAll(/\s*\/\*.*?\*\/\s*/g, '')
+				.replaceAll(/\/\*.*?\*\//g, '')
 				.trim();
 
 			/** @type {boolean | '"' | "'"} */