• 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
  • HTML tags
    • html
    • tags
    • closing
  • Time in 24-hour format
    • times
    • 24 hour
    • format
  • Date and time in ISO-8601 format
    • iso-8601
    • format
    • date
  • Date in format dd/mm/yyyy
    • time
    • format
    • date
  • Date in format m/d/yyyy or mm/dd/yyyy
    • time
    • format
    • m/d/yyyy
  • Hashtags
    • hashtags
    • strings
    • other
  • 24 or 32-bit Color
    • color
    • hex
    • rgb
  • RGB Value
    • color
    • rgb
    • strings
  • 2-5 letters palindromes
    • palindromes
    • other
    • strings
  • SRC of image tag
    • html
    • image
    • img
  • Float value
    • float
    • point
    • value
  • Windows directory (file) path
    • windows
    • path
    • directory
  • IPv6 Address
    • ip
    • ipv6
    • ip adress
  • Dollar amounts
    • dollar
    • amounts
    • symbol
  • U.S./Canadian ZIP/Postal Code
    • postal code
    • zip code
    • zip
  • JS comment
    • js
    • comments
    • standard
  • Youtube URL
    • youtube
    • youtube id
    • uri
  • CSS comment
    • css
    • comments
    • standard
  • IPv4 Address
    • ip
    • ipv4
    • adress
  • Username
    • characters
    • username
    • user
  • Phone number
    • phone
    • digits
    • phone number
  • Domain name
    • domain
    • name
    • site
  • E-Mail format
    • symbol
    • e-mail
    • mail
  • E-Mail format #2
    • symbol
    • e-mail
    • mail
  • URL with optional protocol
    • url
    • protocol
    • http
  • Password strength
    • password
    • strength
    • pwd
  • Positive number
    • positive
    • float
    • number
  • Negative number
    • negative
    • float
    • number
  • Match an MD5 hash
    • md5
    • hash
    • strings