1--TEST-- 2Test preg_match() function : basic functionality 3--FILE-- 4<?php 5/* Function is implemented in ext/pcre/php_pcre.c */ 6$string = 'Hello, world. [*], this is \ a string'; 7var_dump(preg_match('/^[hH]ello,\s/', $string, $match1)); //finds "Hello, " 8var_dump($match1); 9var_dump(preg_match('/l^o,\s\w{5}/', $string, $match2, PREG_OFFSET_CAPTURE)); // tries to find "lo, world" at start of string 10var_dump($match2); 11var_dump(preg_match('/\[\*\],\s(.*)/', $string, $match3)); //finds "[*], this is \ a string"; 12var_dump($match3); 13var_dump(preg_match('@\w{4}\s\w{2}\s\\\(?:\s.*)@', $string, $match4, PREG_OFFSET_CAPTURE, 14)); //finds "this is \ a string" (with non-capturing parentheses) 14var_dump($match4); 15var_dump(preg_match('/hello world/', $string, $match5)); //tries to find "hello world" (should be Hello, world) 16var_dump($match5); 17?> 18--EXPECT-- 19int(1) 20array(1) { 21 [0]=> 22 string(7) "Hello, " 23} 24int(0) 25array(0) { 26} 27int(1) 28array(2) { 29 [0]=> 30 string(23) "[*], this is \ a string" 31 [1]=> 32 string(18) "this is \ a string" 33} 34int(1) 35array(1) { 36 [0]=> 37 array(2) { 38 [0]=> 39 string(18) "this is \ a string" 40 [1]=> 41 int(19) 42 } 43} 44int(0) 45array(0) { 46} 47