• All
  • Email
  • Numbers
  • Strings
  • Date
  • URI
  • HTML
  • Other
  • Firstname / lastname validation
    • name
    • lastname
    • firstname
  • Periodic table elements
    • elements
    • chem
    • strings
  • Unix directory (file) path
    • unix
    • path
    • directory
  • File extension
    • extension
    • filename
    • other
  • Hashtags
    • hashtags
    • strings
    • other
  • RGB Value
    • color
    • rgb
    • strings
  • 2-5 letters palindromes
    • palindromes
    • other
    • strings
  • Windows directory (file) path
    • windows
    • path
    • directory
  • Username
    • characters
    • username
    • user
  • Domain name
    • domain
    • name
    • site
  • Password strength
    • password
    • strength
    • pwd
  • Match an MD5 hash
    • md5
    • hash
    • strings