常用的正则校验

@interface YZFFormatter : NSObject
+ (BOOL)validString:(NSString *)string regx:(NSString *)regx;
//身份证校验
+ (BOOL)validIdentityCard:(NSString *)iDcard;
//姓名校验
+ (BOOL)validName:(NSString *)name;
//短信验证码校验
+ (BOOL)validSmsVerifyCode:(NSString *)smsVerifyCode;
//图形验证码校验
+ (BOOL)validImgVerifyCode:(NSString *)string;
//手机号校验
+ (BOOL)validPhoneNumber:(NSString *)phone;
//一代身份证
+ (BOOL)validFirstIdentityCard:(NSString *)iDcard;
//港澳通行证
+ (BOOL)validGangAoTongXingZheng:(NSString *)cardNo;
//台湾通行证
+ (BOOL)validTaiWanTongXingZheng:(NSString *)cardNo;
@end


@implementation YZFFormatter
+ (BOOL)validString:(NSString *)string regx:(NSString *)regx{
    NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regx];
    return [pred evaluateWithObject:string];
}
//身份证校验
+ (BOOL)validIdentityCard:(NSString *)iDcard{
    NSString *regx = @"^(\\d{6})(18|19|20)?(\\d{2})([01]\\d)([0123]\\d)(\\d{3})(\\d|[Xx])?$";
    return [self validString:iDcard regx:regx];
    return NO;
}
//姓名校验
+ (BOOL)validName:(NSString *)name{
    NSString *regx = @"^[A-Za-z0-9\u4e00-\u9fa5]+$";
    return [self validString:name regx:regx];
    return NO;
}
//短信验证码校验
+ (BOOL)validSmsVerifyCode:(NSString *)smsVerifyCode{
    NSString *regx = @"^[0-9]{6}$";
    return [self validString:smsVerifyCode regx:regx];
}
//图形验证码校验
+ (BOOL)validImgVerifyCode:(NSString *)string{
    NSString *regx = @"^[A-Za-z0-9]{4}$";
    return  [YZFFormatter validString:string regx:regx];
}
//手机号校验
+ (BOOL)validPhoneNumber:(NSString *)phone{
    NSString *regx = @"^[0-9]{11}$";
    return [self validString:phone regx:regx];
    return NO;
}
//一代身份证
+ (BOOL)validFirstIdentityCard:(NSString *)iDcard{
    NSString *regx = @"^[1-9]\\d{7}((0\\d)|(1[0-2]))(([0|1|2]\\d)|3[0-1])\\d{3}$";
    return [self validString:iDcard regx:regx];
    return NO;
}
//港澳通行证
+ (BOOL)validGangAoTongXingZheng:(NSString *)cardNo{
    NSString *regx = @"^[A-Za-z0-9]+$";
    return [self validString:cardNo regx:regx];
    return NO;
}
//台湾通行证
+ (BOOL)validTaiWanTongXingZheng:(NSString *)cardNo{
    NSString *regx = @"^T[0-9]{9-11}+$";
    return [self validString:cardNo regx:regx];
    return NO;
}
@end