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php regexp for hexadecimal color codes

This regular expression matches on a hexadecimal color code (like #ffffff). These are often used in style sheets and HTML code

(regexp can ofcourse be used for other languages as well..)

preg_match('/^([0-9a-f]{1,2}){3}$/i', $color);
to php regexp color hexadecimal by rob_erwt on Nov 15, 2007

Patch / Diff Hunk Matching Regexp

This is tested in TextMate and I use it to select successive hunks of a patch file in diff -u format.

(?m)^@@.*?^(?=@@)
to subversion regexp textmate diff patch hunk by dasil003 on Jul 31, 2006
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