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SHi-ON/regex_numbers_formatted.md

Last active July 21, 2021 15:52
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specific-length formatted numbers
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regex_numbers_formatted.md

(?<!\d)([0-9]{5}-[0-9]{4}-[0-9]{2})(?!\d)

Explained:

  • ?> lookbehind
  • ?<! negative lookbehind
  • \d digit only
  • ? lookahead
  • ?! negative lookahead
  • [0-9]{5}-[0-9]{4}-[0-9]{2} a specific pattern #####-####-##

For a code-highlighted view take a peek at this RegExr

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