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u flag disallows useless backslash escapes
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RegExp.prototype.unicode - How ES6 Makes JavaScript Regular Expressions Unicode-Aware
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- 1 Intro
- 2 Quick intro to Unicode
- 3 The ES6 u flag for regular expressions
- 4 Unicode code point escapes
- 5 u flag disallows useless backslash escapes
- 6 Impact on the operator
- 7 Impact on character classes
- 8 Impact on character class escapes
- 9 Impact on the i flag
- 10 Impact on HTML documents
- 11 Support for the u flag
- 12 Transpiling E56 Unicode regular expressions to ES5
- 13 regexpu internals
- 14 Matching predefined Unicode categories/scripts/blocks
- 15 Takeaways
