一 代码
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>使用preg_match()函数和preg_match_all()函数验证手机和座机号码的格式是否正确</title>
</head>
<body>
<?php
$checktel="/^(\d{3}-)(\d{8})$|^(\d{4}-)(\d{7})$|^(\d{4}-)(\d{8})$/"; //定义验证座机号码的正则表达式
$checkphone="/^13(\d{9})$|^15(\d{9})$/"; //定义验证手机号码的正则表达式
if($_POST[check_tel]!="" and $_POST[Submit]=="提交"){ //判断是否有数据提交
if(preg_match($checktel,$_POST[check_tel],$counts)){ //执行验证操作
echo "<script>alert('电话号码格式正确!');window.location.href='index.php';</script>";
}else{
echo "<script>alert('电话号码格式不正确!');window.location.href='index.php';</script>";
}
}
if($_POST[check_phone]!="" and $_POST[Submites]=="提交"){
if(preg_match_all($checkphone,$_POST[check_phone],$counts)){
echo "<script>alert('手机号码格式正确!');window.location.href='index.php';</script>";
}else{
echo "<script>alert('手机号码格式不正确!');window.location.href='index.php';</script>";
}
}
?>
<table width="851" height="483" border="0" align="center" cellpadding="0" cellspacing="0" background="images/bg.jpg">
<tr>
<td height="119" colspan="3"> </td>
</tr>
<tr>
<td width="336" height="264"> </td>
<td width="451" align="center" valign="top"><table width="381" height="175" border="0" cellpadding="0" cellspacing="0">
<tr>
<td colspan="3" align="center">preg_match()和preg_match_all()函数的应用</td>
</tr><form id="form1" name="form1" method="post" action="index.php">
<tr>
<td width="88">座机号码:</td>
<td width="223"><input type="text" name="check_tel" /></td>
<td width="70"><input type="submit" name="Submit" value="提交" /></td>
</tr>
<tr>
<td width="88">手机号码:</td>
<td width="223"><input type="text" name="check_phone" /></td>
<td width="70"><input type="submit" name="Submites" value="提交" /></td>
</tr>
</form>
<tr>
<td> </td>
<td> </td>
<td> </td>
</tr>
</table></td>
<td width="64" valign="top"> </td>
</tr>
<tr>
<td height="100"> </td>
<td> </td>
<td> </td>
</tr>
</table>
</body>
</html>
二 运行效果
输入:234-54345675
输出:电话号码格式正确
本文介绍了一种使用PHP中的preg_match()和preg_match_all()函数来验证电话号码和手机号码格式的方法。通过定义正则表达式,可以有效地检查输入的号码是否符合标准格式。
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