php表单常用正则表达式,代码如下所示:
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function is_email( $str ){
//检验email
return preg_match( "/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/" , $str );
}
function is_url( $str ){
//检验网址
return preg_match("/^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"])
*$/", $str );
}
function is_qq( $str ){
//检验qq
return preg_match( "/^[1-9]\d{4,8}$/" , $str );
}
function is_zip( $str ){
//检验邮编
return preg_match( "/^[1-9]\d{5}$/" , $str );
}
function is_idcard( $str ){
//检验身份证
return preg_match( "/^\d{15}(\d{2}[A-Za-z0-9])?$/" , $str );
}
function is_chinese( $str ){
检验是否是中文
return ereg ( "^[" . chr (0xa1). "-" . chr (0xff). "]+$" , $str );
}
function is_english( $str ){
//检验是否是英文
return preg_match( "/^[A-Za-z]+$/" , $str );
}
function is_mobile( $str ){
//检验是否是手机
return preg_match( "/^((\(\d{3}\))|(\d{3}\-))?13\d{9}$/" , $str );
}
function is_phone( $str ){
//建云那是否是电话
return preg_match( "/^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}$/" ,
$str );
}
function is_safe( $str ){
return (preg_match("/^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.
{0,5})$|\s/", $str ) != 0);
}
}
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PS:下面再给大家分享一段代码
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<?php
/**
* @description: 正则表达式匹配
*/
class Regex {
/**
* @手机号
*/
public static function Phone( $subject ) {
$pattern = '/^(0|86|17951)?(13[0-9]|15[012356789]|1[78][0-9]|14[57])[0-9]{8}$/' ;
return Regex::PublicMethod( $pattern , $subject );
}
/**
* @数字
*/
public static function Number( $subject ) {
$pattern = '/^[0-9]+$/' ;
return Regex::PublicMethod( $pattern , $subject );
}
/**
* @年份 格式:yyyy
*/
public static function Year( $subject ) {
$pattern = '/^(\d{4})$/' ;
return Regex::PublicMethod( $pattern , $subject );
}
/**
* @月份 格式:mm
*/
public static function Month( $subject ) {
$pattern = '/^0?([1-9])$|^(1[0-2])$/' ;
return Regex::PublicMethod( $pattern , $subject );
}
/**
* @日期 格式:yyyy-mm-dd
*/
public static function Day( $subject ) {
$pattern = '/^(\d{4})-(0?\d{1}|1[0-2])-(0?\d{1}|[12]\d{1}|3[01])$/' ;
return Regex::PublicMethod( $pattern , $subject );
}
/**
* @日期时间 格式:yyyy-mm-dd hh:ii:ss
*/
public static function DateTime( $subject ) {
$pattern = '/^(\d{4})-(0?\d{1}|1[0-2])-(0?\d{1}|[12]\d{1}|3[01])\s(0\d{1}|1\d{1}|2[0-3]):[0-5]\d{1}:([0-5]\d{1})$/' ;
return Regex::PublicMethod( $pattern , $subject );
}
/**
* @邮箱
*/
public static function Email( $subject ) {
$pattern = '/\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/' ;
return Regex::PublicMethod( $pattern , $subject );
}
/**
* @邮编
*/
public static function Postcode( $subject ) {
$pattern = '/[1-9]\d{5}(?!\d)/' ;
return Regex::PublicMethod( $pattern , $subject );
}
/**
* @有效图片地址
*/
public static function Photo( $subject ) {
$pattern = '/\b(([\w-]+:\/\/?|www[.])[^\s()<>]+(?:\([\w\d]+\)|([^[:punct:]\s]|\/)))/' ;
return Regex::PublicMethod( $pattern , $subject );
}
/**
* @URL地址
*/
public static function UrlAddress( $subject ) {
$pattern = '/\b(([\w-]+:\/\/?|www[.])[^\s()<>]+(?:\([\w\d]+\)|([^[:punct:]\s]|\/)))/' ;
return Regex::PublicMethod( $pattern , $subject );
}
/**
* @有效HTTP地址
*/
public static function EffectiveHttp( $subject ) {
$pattern = '/\b(([\w-]+:\/\/?|www[.])[^\s()<>]+(?:\([\w\d]+\)|([^[:punct:]\s]|\/)))/' ;
return Regex::PublicMethod( $pattern , $subject );
}
/**
* @身份证
*/
public static function Identity( $subject ) {
$pattern = '/(^\d{15}$)|(^\d{17}([0-9]|X)$)/' ;
return Regex::PublicMethod( $pattern , $subject );
}
/**
* @IPv4
*/
public static function Ipv4( $subject ) {
$pattern = '/^(((\d{1,2})|(1\d{2})|(2[0-4]\d)|(25[0-5]))\.){3}((\d{1,2})|(1\d{2})|(2[0-4]\d)|(25[0-5]))$/' ;
return Regex::PublicMethod( $pattern , $subject );
}
/**
* @IPv6
*/
public static function Ipv6( $subject ) {
$pattern = '/^([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4}$/' ;
return Regex::PublicMethod( $pattern , $subject );
}
/**
* @匹配正则公共方法
*/
public static function PublicMethod( $pattern , $subject ){
if (preg_match( $pattern , $subject )){
return true;
}
return false;
}
}
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好了,内容就这么多少,希望对大家有所帮助!