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run code in 500+ PHP versions simultaneously
<?php var_dump( preg_match( '(([\\r\\n]{1,1000})|([^\\S\\r\\n]{1,1000})|(\\\\)|(\')|(")|(\\#)|(\\$)|(([^(\\s\\\\\'"\\#\\$)]|\\(|\\)){1,1000}))A', 'Laravel', $matches ) ); var_dump(PCRE_VERSION);

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40.49 ms | 514 KiB | 6 Q