Society of the Regular Expression

Writing a regular expression is easy. Reading one you wrote last month is a dark art.

Choose a format

Physical coins and stickers are coming soon. Until then, you can email this coin for free.

Meaning

Writing a regular expression is easy. Reading one you wrote last month is a dark art.

Design

Front (Obverse)

  • Top rim: SOCIETY OF THE REGULAR EXPRESSION
  • Bottom rim: NOW YOU HAVE TWO PROBLEMS
  • Center: A robed wizard by candlelight studies an ancient scroll covered in symbols like ^(?:[a-z0-9!#$%&'*+/=?^_{|}~-]+)*$`, as if they were glowing runes. A cat sleeps on a stack of books beside them.

Back (Reverse)

An open spellbook titled "IT MATCHED EVERYTHING", flanked by laurels.

Finish & Style

Antique bronze challenge coin, ~1.75" diameter, high-relief center scene, raised rim lettering, beaded outer edge. Matches the existing ITChallengeCoins series.

How to Earn It

  • Write a regex that went to production and worked on the first try.
  • Or debug a regex someone else wrote and add comments explaining it.
  • Or replace a terrifying regex with readable parsing code.

Citation

For mastering the forbidden runes, and for leaving notes for those who come after.

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