Regular Expression For Profile Fields

[ZiNgA BuRgA]

Nice and logical - should be in stock

BTW, you might want to strip null chars when saving the expression, that is, replace

PHP Code:

$mn_pfaddsetting['mn_pfregex'] = $GLOBALS['db']->escape_string($GLOBALS['mybb']->input['mn_pfregex']);

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with

PHP Code:

$mn_pfaddsetting['mn_pfregex'] = $GLOBALS['db']->escape_string(str_replace("\0", '', $GLOBALS['mybb']->input['mn_pfregex']));

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IMO you shouldn't need to do this - blame PHP for that.  Reason being that it's possible to artificially terminate the expression early, although, really, it's not much of an issue since only admins can exploit it.