iOS常用正则表达式

#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];
    BOOLisMatch = [predevaluateWithObject:telNumber];
    returnisMatch;
}

#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{
    BOOLflag;
    if(idCard.length<=0) {
    flag =NO;
    returnflag;
}
    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 = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",regex2];
    return[identityCardPredicateevaluateWithObject: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[emailTestevaluateWithObject: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 = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",regex2];

    return[identityCardPredicateevaluateWithObject: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 = [valuestringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];

    if([valuelength] !=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 = [NSStringstringWithFormat:@"%@%@", year, mmdd];

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

    NSString*yyyyMmdd = [NSStringstringWithFormat:@"((%@)|(%@)|(%@))", 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 = [NSStringstringWithFormat:@"%@%@%@", area, yyyyMmdd  ,@"[0-9]{3}[0-9Xx]"];
NSPredicate *regexTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex];

    if(![regexTestevaluateWithObject: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;

    NSIntegerremainder = summary %11;

    NSString*checkBit =@"";

    NSString*checkString =@"10X98765432";

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

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

}