Javascript RegExp non-capturing groups : Do you really need non-capturing group (?:) for date format (mm/yy)? Does general group () work?

Asked Jul 26 '18 at 21:14

Active Jul 26 '18 at 21:14

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expirationDateValidRegex: /^(?:0|([0]?[1-9]|1[0-2]{1})?(?:/ -)?)$/

asked Jul 26 '18 at 21:14

Samira Arabgol

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Optimization: `[0]?` -> `0?` – Jonas Berlin Jul 26 '18 at 21:20
Optimization: `[0-2]{1}` -> `[0-2]` – Jonas Berlin Jul 26 '18 at 21:20

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