Heim >Backend-Entwicklung >PHP-Tutorial > 请问一个正则,试了半天没试出来~
请教一个正则,试了半天没试出来~~~
<!-- Code highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/ --> $str = "十三岁(123)宣(言)(373659)";
$str = "十三岁(123)宣(言)(373659)"; preg_match('/.*\(\d+\).*\(.+\)/U', $str, $m); print_r($m[0]); /**输出结果: 十三岁(123)宣(言) */ <br><font color="#e78608">------解决方案--------------------</font><br>
$a = "十三岁(123)宣(言)(373659)"; preg_match('/.*(?=\(\d{6}\))/',$a,$m); print_r($m); <br><font color="#e78608">------解决方案--------------------</font><br>?=exp<br>匹配exp前面的位置 <div class="clear"> </div>