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    • Duplicate named capture groups
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  1. ES2025

Duplicate named capture groups

TL;DR

名前付きキャプチャグループで、同じ名前を複数回書けるようになった。

"2025-01-02".match((?<year>\d{4})-\d{2}|-\d{2}-(?<year>\d{4})/) > "2025"
"01-02-2025".match((?<year>\d{4})-\d{2}|-\d{2}-(?<year>\d{4})/) > "2025"
前へRegExp Modifiers次へES2024

最終更新 7 か月前