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I have a group of letter that consists letters like $words= 'estroaroint'; that can be arranged to be some words in my list $file = 'dictionary.txt' Here my expected result that on my words list: STORE REST TRAIN RESTORATION ...etc I searched on google and found like : $contents = file_get_contents($file); $pattern = preg_quote($words, '/'); $pattern = "/^.*$pattern.*\$/m"; if(preg_match_all($pattern, $contents, $matches)){ echo "Found matches:\n"; echo implode("\n", $matches[0]); echo strlen($matches); } else{ echo "No matches found"; } But that's not like as my expectation Thanks in advance Warm Regard