php:从字符串中删除多余的<br>和标签

Question

如何<br> and &nbsp;从字符串的开头和结尾删除多余的标签？

谢谢 :)

Answer 1

试试这个:

$str = preg_replace('{^(<br(\s*/)?>|&nbsp;)+}i', '', $str); //from start
$str = preg_replace('{(<br(\s*/)?>|&nbsp;)+$}i', '', $str); //from end

也获得了XHTML <br />和<br/>表单