去掉html标签与网页中script标签的…

//把网页中的html去掉

<?PHP

$name="<p>this is
wangyongping</p>";

$dd="/(<[^>]*>)/";

echo $str=preg_replace($dd,'',$name);

echo "<br>";

?>

*****************把网页中的script标记及内容都去掉的正则表达式***************************

<?php

$langesc="<script>alert('sffdsfdsfds')</script>";

$dd1="/\<script[^>]*?>.*<\/script\>/is";

echo $str1=preg_replace($dd1,'',$langesc);

?>

//验证电子邮件和手机号码

if(document.getElementByIdx_x_x("personalemail").value==null ||
document.getElementByIdx_x_x("personalemail").value==""){

alert("邮箱不能为空");

return false;

}else
if(!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.getElementByIdx_x_x("personalemail").value))){

alert("请输入一个有效的邮件地址");

document.getElementByIdx_x_x("personalemail").value="";

return false;

}

var partten
= /^1[3,5]\d{9}$/;

if(document.getElementByIdx_x_x("cellphone").value==null
|| document.getElementByIdx_x_x("cellphone").value==""){

alert("手机号码不能为空");

document.getElementByIdx_x_x("cellphone").focus();

return
false;

}else
if(isNaN(document.getElementByIdx_x_x("cellphone").value)
&&
!partten.test(document.getElementByIdx_x_x("cellphone").value)){

alert("手机号码只能是数字,并且只能以13或15开头并且长度是11位");

document.getElementByIdx_x_x("cellphone").focus();

return false;

}