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content/20201110095139-javascript_regexp_u_flag.md Normal file
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---
id: 76fc0a0a-7d56-49c7-8c57-7686cca110fc
title: JavaScript RegExp /u flag
---
This flag matches astral characters such as emojis:
``` javascript
console.log(/^.$/u.test("🙂")); // true
```