perl regex to php

%\b[A开发者_高级运维-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}\b%

how do i make this understood for PHP

i want to find all email addresses in an html doc

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PHP supports Perl regex through the preg_replace and preg_match functions. You don't need to change your regex at all.

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You may want to consider adjusting your regex to capture more address.