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<?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"; echo $str = str_replace_word('ann@ibbeck.de','kan',"ann@ibbeck.de,Petermann@ibbeck.de"); echo $str = str_replace_word('Petermann@ibbeck.de','AP',$str); ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0, 7.1.6 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
kan,Petermann@ibbeck.dekan,AP
Output for 7.1.5

Process exited with code 137.
preferences:
212.15 ms | 405 KiB | 316 Q