Slugs are strings that can be used in URLs. Slugs must fulfill all of the following rules:
  • Slugs must be at least one character and at most 64 characters long.
  • Slugs may only contain letters, numbers, dots ("."), dashes ("-") and underscores ("_").
  • All letters must be in lower case and from the basic latin alphabet.


Good examples:
  • my-mod
  • version-1.3.4
  • test-6.4.1_RC-3
Bad examples:
  • be$t-mod(dollar signs are not allowed)
  • café-mod("é" is not a letter of the latin alphabet)
  • <script>alert('xss')</script> ("<>()'/" are not allowed)
  • my mod 2 (whitespaces are not allowed)
  • a-very-very-very-very-very-very-very-very-very-very-very-very-very-long-name (longer than 64 characters)