$string = 'The quick brown fox jumped over the lazy dog.';$patterns = array();$patterns[2] = '/quick/';$patterns[1] = '/brown/';$patterns[0] = '/fox/';$patterns[4] = '/lazy/';var_dump($patterns);$replacements = array();$replacements[0] = 'lazyo';$rep
<?php //preg_replace()和ereg_replace()函数的使用的比较 // -------preg_replace()-------------------------- //1.进行字符串的查找的替换 $str = "daoyu shi ge hao hai zi 5555"; $pattern = "/\s/"; //如果将变量定义为$pattern_1会出错 $str