PHP jQuery表单,带验证具体实现方法

Email检测,密码重复检测,可以用于表单发送的各种环境，例如发送反馈，注册帐号

Invalid Name:
We want names with more than 3 letters!

Invalid E-mail:
Stop cowboy! Type a valid e-mail please :P

Passwords are invalid:
Passwords doesn't match or are invalid!

Ivalid message:
Type a message with at least with 10 letters

Congratulations!
All fields are OK ;)

<BR> </div> <BR> <div> <BR> <input id="send" name="send" type="submit" value="Send" /> <BR> </div> <BR> </form> <BR> </div> <BR></div></P>
<P>validation.<a href="https://www.jb51.cc/tag/PHP/" target="_blank" class="keywords">PHP</a></P>
<P><div class="codetitle"><span><a style="CURSOR: pointer" data="89205" class="copybut" id="copybut89205" onclick="doCopy('code89205')"><U></U></a> <a href="https://www.jb51.cc/tag/daima/" target="_blank" class="keywords">代码</a>如下:</div><div class="codebody" id="code89205"><BR><?<a href="https://www.jb51.cc/tag/PHP/" target="_blank" class="keywords">PHP</a> <BR> function validateName($name){ <BR> //if it's NOT valid <BR> if(strlen($name) < 4) <BR> return false; <BR> //if it's valid <BR> else <BR> return true; <BR> } <BR> function validateEmail($email){ <BR> return ereg("^[a-zA-Z0-9]+[a-zA-Z0-9_-]+@[a-zA-Z0-9]+[a-zA-Z0-9.-]+[a-zA-Z0-9]+.[a-z]{2,4}$",$email); <BR> } <BR> function validatePasswords($pass1,$pass2) { <BR> //if DOESN'T MATCH <BR> if(strpos($pass1,' ') !== false) <BR> return false; <BR> //if are valid <BR> return $pass1 == $pass2 && strlen($pass1) > 5; <BR> } <BR> function validateMessage($message){ <BR> //if it's NOT valid <BR> if(strlen($message) < 10) <BR> return false; <BR> //if it's valid <BR> else <BR> return true; <BR> } <BR>?> <BR></div></P><i class="glyphicon glyphicon-link"></i> 原文链接：https://www.f2er.com/php/25113.html</div>
      <div class="topcard-tags"><a href="https://www.f2er.com/tag/jQuerybiaodan/" class="tag_link" target="_blank">jQuery表单</a><a href="https://www.f2er.com/tag/PHP/" class="tag_link" target="_blank">PHP</a><a href="https://www.f2er.com/tag/yanzheng/" class="tag_link" target="_blank">验证</a><a href="https://www.f2er.com/tag/yanzhengp/" class="tag_link" target="_blank">验证</a><a href="https://www.f2er.com/tag/pyanzheng/" class="tag_link" target="_blank">验证</a></div>
      
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