Regular Expressions 101

Community Patterns

0x36210C88C438001A616687456978Aa4d3AdCba35

0

Regular Expression
PCRE2 (PHP >=7.3)

/
^(?:[\+-]?\d{4}(?!\d{2}\b))(?:(-?)(?:(?:0[1-9]|1[0-2])(?:\1(?:[12]\d|0[1-9]|3[01]))?|W(?:[0-4]\d|5[0-2])(?:-?[1-7])?|(?:00[1-9]|0[1-9]\d|[12]\d{2}|3(?:[0-5]\d|6[1-6])))(?:[T\s](?:(?:(?:[01]\d|2[0-3])(?:(:?)[0-5]\d)?|24\:?00)(?:[\.,]\d+(?!:))?)?(?:\2[0-5]\d(?:[\.,]\d+)?)?(?:[zZ]|(?:[\+-])(?:[01]\d|2[0-3]):?(?:[0-5]\d)?)?)?)?$
/
usigmUJ

Description

  1. /^(?:[+-]?\d{4}(?!\d{2}\b))(?:(-?)(?:(?:0[1-9]|1[0-2])(?:\1(?:[12]\d|0[1-9]|3[01]))?|W(?:[0-4]\d|5[0-2])(?:-?[1-7])?|(?:00[1-9]|0[1-9]\d|[12]\d{2}|3(?:[0-5]\d|6[1-6])))(?:T\s?(?:\2[0-5]\d(?:[.,]\d+)?)?(?:[zZ]|(?:[+-])(?:[01]\d|2[0-3]):?(?:[0-5]\d)?)?)?)?$/usigmUJ
    • /^(?:[+-]?\d{4}(?!\d{2}\b))(?:(-?)(?:(?:0[1-9]|1[0-2])(?:\1(?:[12]\d|0[1-9]|3[01]))?|W(?:[0-4]\d|5[0-2])(?:-?[1-7])?|(?:00[1-9]|0[1-9]\d|[12]\d{2}|3(?:[0-5]\d|6[1-6])))(?:T\s?(?:\2[0-5]\d(?:[.,]\d+)?)?(?:[zZ]|(?:[+-])(?:[01]\d|2[0-3]):?(?:[0-5]\d)?)?)?)?$/gmJAUusxiD
Submitted by Nate☬158⚈̥̥̥̥̥̀ᴗ✯0x36210C88C438001A616687456978Aa4d3AdCba35 - 2 years ago