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Group ↔ RegExp JS Syntax using () to group together RegExp expressions

\n​

RegExp back ref to numbered Capture Group

Capture Group

(?:abc)​

regex Non-Capturing Groupto prevent grouping reference

(a|b|c)​

RegExp Syntax to Group to alternatives | delimit

References​

  1. (a|b|c) ↔ RegExp Syntax to Group to alternatives | delimit

  2. (?:abc) ↔ regex Non-Capturing Groupto prevent grouping reference