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Remove Edge and Firefox warning

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Supported in Edge 79 and Firefox 78
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josephrocca 2020-08-21 11:23:42 +10:00 • committed by GitHub
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9-regular-expressions/03-regexp-unicode/article.md
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@ -33,12 +33,6 @@ Unlike strings, regular expressions have flag `pattern:u` that fixes such proble
## Unicode properties \p{...}
```warn header="Not supported in Firefox and Edge"
Despite being a part of the standard since 2018, unicode properties are not supported in Firefox ([bug](https://bugzilla.mozilla.org/show_bug.cgi?id=1361876)) and Edge ([bug](https://github.com/Microsoft/ChakraCore/issues/2969)).
There's [XRegExp](http://xregexp.com) library that provides "extended" regular expressions with cross-browser support for unicode properties.
```
Every character in Unicode has a lot of properties. They describe what "category" the character belongs to, contain miscellaneous information about it.
For instance, if a character has `Letter` property, it means that the character belongs to an alphabet (of any language). And `Number` property means that it's a digit: maybe Arabic or Chinese, and so on.