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Some regular expression matches

May 12th, 2012 · No Comments

Regular Expression     Will match…

foo     The string “foo”
^foo     “foo” at the start of a string
foo$     “foo” at the end of a string
^foo$     “foo” when it is alone on a string
[abc]     a, b, or c
[a-z]     Any lowercase letter
[^A-Z]     Any character that is not a uppercase letter
(gif|jpg)     Matches either “gif” or “jpeg”
[a-z]+     One or more lowercase letters
[0-9\.\-]     ?ny number, dot, or minus sign
^[a-zA-Z0-9_]{1,}$     Any word of at least one letter, number or _
([wx])([yz])     wy, wz, xy, or xz
[^A-Za-z0-9]     Any symbol (not a number or a letter)
([A-Z]{3}|[0-9]{4})     Matches three letters or four numbers

Tags: General PHP · Reg Expressions

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