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Home/ Questions/Q 993749
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Editorial Team
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Editorial Team
Asked: May 16, 20262026-05-16T06:28:21+00:00 2026-05-16T06:28:21+00:00

i used bellow code to search and find if http is includes in $url

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i used bellow code to search and find if http is includes in $url address user enters

if (!preg_match("/http:///", $user_website) 

but i got this error

Warning: preg_match() [function.preg-match]: Unknown modifier '/' in

i know its becuase of // of http but how work arround this !?

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  1. Editorial Team
    Editorial Team
    2026-05-16T06:28:22+00:00Added an answer on May 16, 2026 at 6:28 am

    Instead of having to escape every / in URL regexes it’s often useful to use preg_* alternative characters to mark the start/end of the pattern.

    if (!preg_match("#http://#", $user_website)
    
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