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imliam/atelier-801-username.md

Last active June 27, 2017 14:08
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atelier-801-username.md

Regex to format and validate for atelier801.com usernames (including games by Atelier 801), with the following rules:

  • Must be between 3 and 20 characters
  • May only contain alphanumeric characters and underscores
  • First character must be alphabetical or a plus +
^[a-zA-Z+]{1}[a-zA-Z0-9_]{2,20}$
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