常用正则表达式搜集

验证Email地址是否合法

<script language="javascript">
function isEmail(email) {
  if (email.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1) {
return true;
}
   else {
   return false;
}

}
</script>

验证IP地址

IPV4_PATTERN = "(([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.){3}([01]?\\d\\d?|2[0-4]\\d|25[0-5])";
IPV6_PATTERN = "([0-9a-f]{1,4}:){7}([0-9a-f]){1,4}";

待续。。。