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一些常用的正则表达式

发布时间：2020-12-13 22:52:13 所属栏目：百科 来源：网络整理
导读：//6到15位数字或字母的字符串 NSString * regex = @ "(^[A-Za-z0-9]{6,15}$)" ; NSPredicate * pred = [NSPredicate predicateWithFormat:@ "SELF MATCHES %@" ,regex]; BOOL isMatch = [pred evaluateWithObject:@ "123456ABCde" ]; //邮箱 + ( BOOL ) vali
//6到15位数字或字母的字符串
NSString * regex = @ "(^[A-Za-z0-9]{6,15}$)" ;
NSPredicate * pred = [NSPredicate predicateWithFormat:@ "SELF MATCHES %@" ,regex];
BOOL isMatch = [pred evaluateWithObject:@ "123456ABCde" ];
//邮箱
+ ( BOOL ) validateEmail:(NSString *)email
{
NSString *emailRegex = @ "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+.[A-Za-z]{2,4}" ;
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@ "SELF MATCHES %@" ,emailRegex];
return [emailTest evaluateWithObject:email];
}
//手机号码验证
+ ( BOOL ) validateMobile:(NSString *)mobile
{
//手机号以13， 15，18开头，八个 d 数字字符
NSString *phoneRegex = @ "^((13[0-9])|(15[^4,D])|(18[0,0-9]))d{8}$" ;
NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@ "SELF MATCHES %@" ,phoneRegex];
return [phoneTest evaluateWithObject:mobile];
}
//车牌号验证
+ ( BOOL ) validateCarNo:(NSString *)carNo
{
NSString *carRegex = @ "^[u4e00-u9fa5]{1}[a-zA-Z]{1}[a-zA-Z_0-9]{4}[a-zA-Z_0-9_u4e00-u9fa5]$" ;
NSPredicate *carTest = [NSPredicate predicateWithFormat:@ "SELF MATCHES %@" ,carRegex];
NSLog(@ "carTest is %@" ,carTest);
return [carTest evaluateWithObject:carNo];
}
//车型
+ ( BOOL ) validateCarType:(NSString *)CarType
{
NSString *CarTypeRegex = @ "^[u4E00-u9FFF]+$" ;
NSPredicate *carTest = [NSPredicate predicateWithFormat:@ "SELF MATCHES %@" ,CarTypeRegex];
return [carTest evaluateWithObject:CarType];
}
//用户名
+ ( BOOL ) validateUserName:(NSString *)name
{
NSString *userNameRegex = @ "^[A-Za-z0-9]{6,20}+$" ;
NSPredicate *userNamePredicate = [NSPredicate predicateWithFormat:@ "SELF MATCHES %@" ,userNameRegex];
BOOL B = [userNamePredicate evaluateWithObject:name];
return B;
}
//密码
+ ( BOOL ) validatePassword:(NSString *)passWord
{
NSString *passWordRegex = @ "^[a-zA-Z0-9]{6,20}+$" ;
NSPredicate *passWordPredicate = [NSPredicate predicateWithFormat:@ "SELF MATCHES %@" ,passWordRegex];
return [passWordPredicate evaluateWithObject:passWord];
}
//昵称
+ ( BOOL ) validateNickname:(NSString *)nickname
{
NSString *nicknameRegex = @ "^[u4e00-u9fa5]{4,8}$" ;
NSPredicate *passWordPredicate = [NSPredicate predicateWithFormat:@ "SELF MATCHES %@" ,nicknameRegex];
return [passWordPredicate evaluateWithObject:nickname];
}
//身份证号
+ ( BOOL ) validateIdentityCard: (NSString *)identityCard
{
BOOL flag;
if (identityCard.length <= 0) {
flag = NO;
return flag;
}
NSString *regex2 = @ "^(d{14}|d{17})(d|[xX])$" ;
NSPredicate *identityCardPredicate = [NSPredicate predicateWithFormat:@ "SELF MATCHES %@" ,regex2];
return [identityCardPredicate evaluateWithObject:identityCard];
}

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