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Last active February 15, 2018 19:28
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Regex cheat sheet
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regex.md

Regex cheat sheet

Search for an alpha-string between two delimiters.

Example: 'images/0-31604-01079-9_label_small.jpg'

In this case we're looking for the string 'label' between the underscore delimiters (not including the delimiters).

This would be our regex /(?<=_)+[A-Za-z]+(?=_)/

  1. Look for the preceeding delimiter, underscore (?<=_)
  2. Plus +
  3. All alpha characters upper and lower case [A-Za-z]
  4. Plus +
  5. Look for the ending delimiter, underscore (?=_)
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