Mathias Bynens • 8/26/2014

Unicode-aware regular expressions in ES2015

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This technical article details the ES2015 'u' flag for Unicode-aware regular expressions in JavaScript. It explains how the flag enables Unicode code point escapes, changes the dot operator to match astral symbols, makes quantifiers apply to whole Unicode characters, and affects character class matching. The content is a deep dive into a specific JavaScript language feature for developers.

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#JavaScript #es6 #unicode
Unicode-aware regular expressions in ES2015

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