<?php
$content = "<font color='red'>字符串</font>";$new_content = preg_replace("/<[^>]+>/", "", $content);echo $new_content;
?>
$content = "<font color='red'>字符串</font>";$new_content = preg_replace("/<[^>]+>/", "", $content);echo $new_content;
?>
调试欢乐多
"'<[\/\!]*?[^<>]*?>'si", // 去掉 HTML 标记
"'([\r\n])[\s]+'", // 去掉空白字符
"'&(quot|#34);'i", // 替换 HTML 实体
"'&(amp|#38);'i",
"'&(lt|#60);'i",
"'&(gt|#62);'i",
"'&(nbsp|#160);'i",
"'&(iexcl|#161);'i",
"'&(cent|#162);'i",
"'&(pound|#163);'i",
"'&(copy|#169);'i",
"'&#(\d+);'e"); // 作为 PHP 代码运行$replace = array ("",
"",
"\\1",
"\"",
"&",
"<",
">",
" ",
chr(161),
chr(162),
chr(163),
chr(169),
"chr(\\1)");$text = preg_replace ($search, $replace, $document);php手册中的一个例子.