Lookbehind in JS regular expressions
- OTHERThe positive lookbehind ((?<= )
) and negative lookbehind ((?<! )
) zero-width assertions in JavaScript regular expressions can be used to ensure a pattern is preceded by another pattern.
IE
- 5.5 - 10: Not supported
- 11: Not supported
Edge
- 12 - 18: Not supported
- 79 - 102: Supported
- 103: Supported
Firefox
- 2 - 77: Not supported
- 78 - 101: Supported
- 102: Supported
- 103 - 104: Supported
Chrome
- 4 - 61: Not supported
- 62 - 102: Supported
- 103: Supported
- 104 - 106: Supported
Safari
- 3.1 - 15.4: Not supported
- 15.5: Not supported
- 16.0 - TP: Not supported
Opera
- 9 - 48: Not supported
- 49 - 85: Supported
- 86: Supported
- 87: Supported
Safari on iOS
- 3.2 - 15.4: Not supported
- 15.5: Not supported
- 16.0: Not supported
Opera Mini
- all: Not supported
Android Browser
- 2.1 - 4.4.4: Not supported
- 103: Supported
Opera Mobile
- 10 - 12.1: Not supported
- 64: Supported
Chrome for Android
- 103: Supported
Firefox for Android
- 101: Supported
UC Browser for Android
- 12.12: Supported
Samsung Internet
- 4 - 7.4: Not supported
- 8.2 - 16.0: Supported
- 17.0: Supported
QQ Browser
- 10.4: Supported
Baidu Browser
- 7.12: Not supported
KaiOS Browser
- 2.5: Not supported