Characters matching RegEx /\w/ui
Regex "word" characters may match Unicode characters that get canonicalized to one of the regular characters too with /ui flags: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Character_class_escape#w
Created by: JorianWoltjer
Created on: Friday, December 5, 2025 at 10:43:12 AM
Updated on: Friday, December 5, 2025 at 10:43:12 AM
Category: Browser Quirks
Vector visibility: Public
Vector type: JS
Vector charset: UTF-8
Template used:
/\w/ui.test(String.fromCodePoint(i)) && log(i)
Your browser was detected as:
Detecting... Detecting... Detecting... Detecting...
Sample payloads
/\w/ui.test(String.fromCodePoint(i)) && alert(i)
Fuzz results
Chrome 142.0.0.0 desktop Windows NT 10.0
Updated
Fri Dec 05 2025
Found 65 results
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Firefox 145.0 desktop Windows NT 10.0
Updated
Fri Dec 05 2025
Found 65 results
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