php - Find string inside single and double quotation marks using regex -


how find string between "" , '' using regex. want create function using php preg_match_all() function match static strings in file, creating string using "" , '' need find such strings file.

you should aware inside quoted "entities" may find escaped quotes. best way match strings using regex this:

(?s)'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"

see demo

sample code:

$re = "/(?s)'(?:[^'\\\\]|\\\\.)*'|\"(?:[^\"\\\\]|\\\\.)*\"/";  $str = "\"string 'c' \" string \" \" , ' string \"ste\" \' '";  preg_match_all($re, $str, $matches);

ideone demo


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