Posted by brendan on 09/13/05 18:49

Hi ... want to antispam any email address that is written in a page, so long
as it is not already contained in a hyperlink ie 'mailto:user@email.com'

so am trying to use a negative look behind but I can't get it to work

preg_replace('/(?<!mailto)(([_\\.0-9a-z-]+)@([_\\.0-9a-z-]+))/i',
"<script>document.write('<a
href=\'mailto:'+'\\1'+'@'+'\\2'+'\'>'+'\\1'+'@'+'\\2'+'</a>');</script>",$st
ring );

doesn't ignore strings starting with mailto (have also tried using
'mailto\\:'

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