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JS
JavaScript error

TypeError

The JavaScript exception "TypeError: matchAll/replaceAll must be called with a global RegExp" occurs when the String.prototype.matchAll() or String.prototype.replaceAll() method is used with a RegExp object that does not have the global flag set.

Reference entryJavaScriptFetched
This is a reference entry from MDN Web Docs. A full explanation with fixes has not been written yet.

The error messages

TypeError: String.prototype.matchAll called with a non-global RegExp argument (V8-based)
As listed by MDN Web Docs
TypeError: String.prototype.replaceAll called with a non-global RegExp argument (V8-based)
As listed by MDN Web Docs
TypeError: matchAll must be called with a global RegExp (Firefox)
As listed by MDN Web Docs
TypeError: replaceAll must be called with a global RegExp (Firefox)
As listed by MDN Web Docs
TypeError: String.prototype.matchAll argument must not be a non-global regular expression (Safari)
As listed by MDN Web Docs
TypeError: String.prototype.replaceAll argument must not be a non-global regular expression (Safari)
As listed by MDN Web Docs

Details

Category
TypeError
Severity
error
Runtime
both

Related errors

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Source: MDN Web Docs. Data fetched 2026-09-25T01:48:37.274Z.