正则 - iOS

.h文件
#import
@interface RegularJudement : NSObject

#pragma 正则匹配手机号
+(BOOL)checkTelNumber:(NSString *) telNumber;
#pragma 正则匹配用户密码6-18位数字和字母组合
+(BOOL)checkPassword:(NSString *) password;
#pragma 正则匹配用户姓名,20位的中文或英文
+(BOOL)checkUserName : (NSString *) userName;
#pragma 正则匹配用户身份证号
+(BOOL)checkUserIdCard: (NSString *) idCard;
+ (BOOL) validateIdentityCard: (NSString *)value
#pragma 正则匹配邮箱
+ (BOOL)checkUserEmail:(NSString *)email;
#pragma 正则匹配银行卡号
+ (BOOL)checkUserBankNumber:(NSString *)BankNumber;
@end

.m文件

#import "RegularJudement.h"
// 正则表达式判断
@implementation RegularJudement

#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) {
        return NO;
    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]) {
        return NO;
    }
    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]];
}


@end