正则表达式

#pragma 正则匹配手机号

+ (BOOL)checkTelNumber:(NSString *) telNumber

{

    NSString *pattern = @"^1+[3578]+\d{9}";

    NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];

    BOOL isMatch = [pred evaluateWithObject:telNumber];

    return isMatch;

}

#pragma 正则匹配用户密码6-18位数字和字母组合

+ (BOOL)checkPassword:(NSString *) password

{

    NSString *pattern = @"^(?![0-9]+$)(?![a-zA-Z]+$)[a-zA-Z0-9]{6,18}";

    NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];

    BOOL isMatch = [pred evaluateWithObject:password];

    return isMatch;

    

}

#pragma 正则匹配用户姓名,20位的中文或英文

+ (BOOL)checkUserName : (NSString *) userName

{

    NSString *pattern = @"^[a-zA-Z一-龥]{1,20}";

    NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];

    BOOL isMatch = [pred evaluateWithObject:userName];

    return isMatch;

    

}

#pragma 正则匹配用户身份证号15或18位

+ (BOOL)checkUserIdCard: (NSString *) idCard

{

    BOOL flag;

    if (idCard.length <=0) {

        flag = NO;

        return flag;

    }

    NSString *regex2 =@"^(^[1-9]\\d{7}((0\\d)|(1[0-2]))(([0|1|2]\\d)|3[0-1])\\d{3}$)|(^[1-9]\\d{5}[1-9]\\d{3}((0\\d)|(1[0-2]))(([0|1|2]\\d)|3[0-1])((\\d{4})|\\d{3}[Xx])$)$";

    NSPredicate *identityCardPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2];

    return [identityCardPredicate evaluateWithObject:idCard];

}

#pragma 正则匹配邮箱

+ (BOOL) checkUserEmail:(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];

}

#pragma 正则匹配银行卡号

+ (BOOL)checkUserBankNumber:(NSString *)BankNumber{

    NSString *regex2 =@"^\\d{16,19}$|^\\d{6}[- ]\\d{10,13}$|^\\d{4}[- ]\\d{4}[- ]\\d{4}[- ]\\d{4,7}$";

    NSPredicate *identityCardPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2];

    return [identityCardPredicate evaluateWithObject:BankNumber];

    

}

#pragma 正则匹配用验证身份证户身份证号15或18位

+ (BOOL) validateIdentityCard: (NSString *)value

{

    value = [value stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];

    if ([value length] !=18) {

        returnNO;

    }

    NSString *mmdd = @"(((0[13578]|1[02])(0[1-9]|[12][0-9]|3[01]))|((0[469]|11)(0[1-9]|[12][0-9]|30))|(02(0[1-9]|[1][0-9]|2[0-8])))";

    NSString *leapMmdd = @"0229";

    NSString *year = @"(19|20)[0-9]{2}";

    NSString *leapYear = @"(19|20)(0[48]|[2468][048]|[13579][26])";

    NSString *yearMmdd = [NSString stringWithFormat:@"%@%@", year, mmdd];

    NSString *leapyearMmdd = [NSString stringWithFormat:@"%@%@", leapYear, leapMmdd];

    NSString *yyyyMmdd = [NSString stringWithFormat:@"((%@)|(%@)|(%@))", yearMmdd, leapyearMmdd,@"20000229"];

    NSString *area = @"(1[1-5]|2[1-3]|3[1-7]|4[1-6]|5[0-4]|6[1-5]|82|[7-9]1)[0-9]{4}";

    NSString *regex = [NSString stringWithFormat:@"%@%@%@", area, yyyyMmdd  ,@"[0-9]{3}[0-9Xx]"];

    

    NSPredicate *regexTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex];

    if (![regexTest evaluateWithObject:value]) {

        returnNO;

    }

    int summary = ([value substringWithRange:NSMakeRange(0,1)].intValue + [value substringWithRange:NSMakeRange(10,1)].intValue) *7 + ([value substringWithRange:NSMakeRange(1,1)].intValue + [value substringWithRange:NSMakeRange(11,1)].intValue) *9 + ([value substringWithRange:NSMakeRange(2,1)].intValue + [value substringWithRange:NSMakeRange(12,1)].intValue) *10 + ([value substringWithRange:NSMakeRange(3,1)].intValue + [value substringWithRange:NSMakeRange(13,1)].intValue) *5 + ([value substringWithRange:NSMakeRange(4,1)].intValue + [value substringWithRange:NSMakeRange(14,1)].intValue) *8 + ([value substringWithRange:NSMakeRange(5,1)].intValue + [value substringWithRange:NSMakeRange(15,1)].intValue) *4 + ([value substringWithRange:NSMakeRange(6,1)].intValue + [value substringWithRange:NSMakeRange(16,1)].intValue) *2 + [value substringWithRange:NSMakeRange(7,1)].intValue *1 + [value substringWithRange:NSMakeRange(8,1)].intValue *6 + [value substringWithRange:NSMakeRange(9,1)].intValue *3;

    NSInteger remainder = summary % 11;

    NSString *checkBit = @"";

    NSString *checkString = @"10X98765432";

    checkBit = [checkString substringWithRange:NSMakeRange(remainder,1)];//判断校验位

    return [checkBit isEqualToString:[[value substringWithRange:NSMakeRange(17,1)] uppercaseString]];

}