xcheck.js

一个免费的php的blog程序,很好用

// **********************************************************
//
// Copyright 2002-2003 Sebastian Werner
// http://sebastian-werner.net
// 
// Licensed under:
//
// Attribution-NonCommercial-ShareAlike License 1.0
// by CreativeCommon (http://creativecommons.org)
//
// Key License Terms:
// * Attribution. 
//   The licensor permits others to copy, distribute, 
//   display, and perform the work. In return, licensees 
//   must give the original author credit.
// * Noncommercial. 
//   The licensor permits others to copy, distribute, 
//   display, and perform the work. In return, licensees 
//   may not use the work for commercial purposes -- unless 
//   they get the licensor's permission.
// * Share Alike. 
//   The licensor permits others to distribute derivative 
//   works only under a license identical to the one that 
//   governs the licensor's work.
//
// for details visit:
// http://creativecommons.org/licenses/by-nc-sa/1.0/
//
// **********************************************************

// **********************************************************
//  CHECK
// **********************************************************

function xCheck()
{

  this.email = function(email) {
    var proto = "(mailto:)?";
    var usr = "([a-zA-Z0-9][a-zA-Z0-9_.-]*|\"([^\\\\\x80-\xff\015\012\"]|\\\\[^\x80-\xff])+\")";
    var domain = "([a-zA-Z0-9][a-zA-Z0-9._-]*\\.)*[a-zA-Z0-9][a-zA-Z0-9._-]*\\.[a-zA-Z]{2,5}";
    var regex = "^" + proto + "?" + usr + "\@" + domain + "$";

    var rgx = new RegExp(regex);
    return rgx.exec(email) ? true : false;
  }




}  

_check = new xCheck();