$p = '/(\w+\s\w+)/';//加括号,$match有两个$n ='/\w+\s\w+/';//不加括号,$mctch有就只有一个$str = "name:steven jobs";preg_match($p, $str, $match);preg_match($n, $str, $mctch);print_r($match);echo "<br/>";print_r($mctch);Array ( [0] => steven jobs [1] => steven jobs ) Array ( [0] => steven jobs )
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