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<?php $originalString = 'Her (III.1) was the age of 2 years and 11 months. (shoulder a 4/5)'; $findStringArray = array("age", "(III.1)", "2", "months", "4"); $words = explode(" ",$originalString); for($x = 0; $x<count($words); $x++) { foreach($findStringArray as $key => $value) { $originalString = preg_replace('/\b('.preg_quote($value).')\b/i', "__", $originalString); if ($words[$x] == $value) { $words[$x] = preg_replace('/\b('.preg_quote($value).')\b/i', "__", $words[$x]); } } } $newstring = implode(" ", $words); echo $newstring;
Output for git.master, git.master_jit, rfc.property-hooks
Her (III.1) was the __ of __ years and 11 months. (shoulder a 4/5)

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