<?php function str_replace_word($needle,$replacement,$haystack){ $pattern = "/\b$needle\b/i"; $haystack = preg_replace($pattern, $replacement, $haystack); return $haystack; } $str = "ann@ibbeck.de,Petermann@ibbeck.de"; $str = str_replace_word('ann@ibbeck.de','kan',"ann@ibbeck.de,Petermann@ibbeck.de"); $str = str_replace_word('Petermann@ibbeck.de','AP',$str); ?>
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