iOS-常见正则表达

//邮箱

+ (BOOL) validateEmail:(NSString *)email

{

    NSString *emailRegex =@"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";

    NSPredicate *emailTest = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@", emailRegex];

    return [emailTestevaluateWithObject: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 = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",phoneRegex];

    return [phoneTestevaluateWithObject: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 = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",carRegex];

    NSLog(@"carTest is %@",carTest);

    return [carTestevaluateWithObject:carNo];

}

//车型

+ (BOOL) validateCarType:(NSString *)CarType

{

    NSString *CarTypeRegex =@"^[\u4E00-\u9FFF]+$";

    NSPredicate *carTest = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",CarTypeRegex];

    return [carTestevaluateWithObject:CarType];

}

//用户名

+ (BOOL) validateUserName:(NSString *)name

{

    NSString *userNameRegex =@"^[A-Za-z0-9]{4,20}+$";

    NSPredicate *userNamePredicate = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",userNameRegex];

    BOOL B = [userNamePredicateevaluateWithObject:name];

    return B;

}

//密码

+ (BOOL) validatePassword:(NSString *)passWord

{

    NSString *passWordRegex =@"^[a-zA-Z0-9]{6,20}+$";

    NSPredicate *passWordPredicate = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",passWordRegex];

    return [passWordPredicateevaluateWithObject:passWord];

}

//昵称

+ (BOOL) validateNickname:(NSString *)nickname

{

    NSString *nicknameRegex =@"([\u4e00-\u9fa5]{2,5})(·[\u4e00-\u9fa5]{2,5})*";

    NSPredicate *passWordPredicate = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",nicknameRegex];

    return [passWordPredicateevaluateWithObject: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 = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",regex2];

    return [identityCardPredicateevaluateWithObject:identityCard];

}

//银行卡

+ (BOOL) validateBankCardNumber: (NSString *)bankCardNumber

{

    BOOL flag;

    if (bankCardNumber.length <=0) {

        flag = NO;

        return flag;

    }

    NSString *regex2 =@"^(\\d{15,30})";

    NSPredicate *bankCardPredicate = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",regex2];

    return [bankCardPredicateevaluateWithObject:bankCardNumber];

}

//银行卡后四位

+ (BOOL) validateBankCardLastNumber: (NSString *)bankCardNumber

{

    BOOL flag;

    if (bankCardNumber.length !=4) {

        flag = NO;

        return flag;

    }

    NSString *regex2 =@"^(\\d{4})";

    NSPredicate *bankCardPredicate = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",regex2];

    return [bankCardPredicateevaluateWithObject:bankCardNumber];

}

//CVN

+ (BOOL) validateCVNCode: (NSString *)cvnCode

{

    BOOL flag;

    if (cvnCode.length <=0) {

        flag = NO;

        return flag;

    }

    NSString *regex2 =@"^(\\d{3})";

    NSPredicate *cvnCodePredicate = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",regex2];

    return [cvnCodePredicateevaluateWithObject:cvnCode];

}

//month

+ (BOOL) validateMonth: (NSString *)month

{

    BOOL flag;

    if (!month.length ==2) {

        flag = NO;

        return flag;

    }

    NSString *regex2 =@"(^(0)([0-9])$)|(^(1)([0-2])$)";

    NSPredicate *monthPredicate = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",regex2];

    return [monthPredicateevaluateWithObject:month];

}

//month

+ (BOOL) validateYear: (NSString *)year

{

    BOOL flag;

    if (!year.length ==2) {

        flag = NO;

        return flag;

    }

    NSString *regex2 =@"^([1-3])([0-9])$";

    NSPredicate *yearPredicate = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",regex2];

    return [yearPredicateevaluateWithObject:year];

}

//verifyCode

+ (BOOL) validateVerifyCode: (NSString *)verifyCode

{

    BOOL flag;

    if (!verifyCode.length ==6) {

        flag = NO;

        return flag;

    }

    NSString *regex2 =@"^(\\d{6})";

    NSPredicate *verifyCodePredicate = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",regex2];

    return [verifyCodePredicateevaluateWithObject:verifyCode];

}