I have tried this in **Firefox Nightly** (131.0a1) and i get the following error `SyntaxError: invalid regexp group` I have tried this in Chrome 127 and it works fine. This is the code I am testing: [https://codepen.io/CodeRedDigital/pen/GRbEOLE?editors=0011](https://codepen.io/CodeRedDigital/pen/GRbEOLE?editors=0011)
Bug 1899813 Comment 22 Edit History
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I have tried this in **Firefox Nightly** (131.0a1) & **Firefox Beta** (130.0b1) and i get the following error `SyntaxError: invalid regexp group` I have tried this in Chrome 127 and it works fine. This is the code I am testing: [https://codepen.io/CodeRedDigital/pen/GRbEOLE?editors=0011](https://codepen.io/CodeRedDigital/pen/GRbEOLE?editors=0011)