cordoprod Posted April 28, 2008 Share Posted April 28, 2008 Hello! I develope a community system and I wonder which regex I should use. I only want the letters [a-z] and the numbers [0-9] Quote Link to comment https://forums.phpfreaks.com/topic/103277-regex-help/ Share on other sites More sharing options...
effigy Posted April 28, 2008 Share Posted April 28, 2008 For such simple requirements, ctype_alnum will suffice. Quote Link to comment https://forums.phpfreaks.com/topic/103277-regex-help/#findComment-528946 Share on other sites More sharing options...
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