Regular Expressions 101

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Regular Expression
PCRE2 (PHP >=7.3)

/
^(?=.*[a-z])(?=.*[A-Z])(?=.*[0-9])(?=.*[\!-\/\:-\@\[-\`\{-\~])(?:.{8})$
/
gm
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Description

  • 8 characters long
  • Must include capital letters
  • Must include small letters
  • Must include numbers
  • Must include special characters
  • NOTE: Can also use [[:punct:]] for special characters but it may not be supported by your regex engine.
Submitted by anonymous - 4 years ago (Last modified 4 years ago)