//郵箱

+ (BOOL) validateEmail:(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]; }     //手機號碼驗證 + (BOOL) validateMobile:(NSString *)mobile {     //手機號以13， 15，18開頭，八個 /d 數字字符     NSString *phoneRegex = @"^((13[0-9])|(15[^4,//D])|(18[0,0-9]))//d{8}$";     NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex];     return [phoneTest evaluateWithObject:mobile]; }     //車牌號驗證 + (BOOL) validateCarNo:(NSString *)carNo {     NSString *carRegex = @"^[/u4e00-/u9fa5]{1}[a-zA-Z]{1}[a-zA-Z_0-9]{4}[a-zA-Z_0-9_/u4e00-/u9fa5]$";     NSPredicate *carTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",carRegex];     NSLog(@"carTest is %@",carTest);     return [carTest evaluateWithObject:carNo]; }     //車型 + (BOOL) validateCarType:(NSString *)CarType {     NSString *CarTypeRegex = @"^[/u4E00-/u9FFF]+$";     NSPredicate *carTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",CarTypeRegex];     return [carTest evaluateWithObject:CarType]; }     //用戶名 + (BOOL) validateUserName:(NSString *)name {     NSString *userNameRegex = @"^[A-Za-z0-9]{6,20}+$";     NSPredicate *userNamePredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",userNameRegex];     BOOL B = [userNamePredicate evaluateWithObject:name];     return B; }     //密碼 + (BOOL) validatePassword:(NSString *)passWord {     NSString *passWordRegex = @"^[a-zA-Z0-9]{6,20}+$";     NSPredicate *passWordPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",passWordRegex];     return [passWordPredicate evaluateWithObject:passWord]; }     //昵稱 + (BOOL) validateNickname:(NSString *)nickname {     NSString *nicknameRegex = @"^[/u4e00-/u9fa5]{4,8}$";     NSPredicate *passWordPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",nicknameRegex];     return [passWordPredicate evaluateWithObject:nickname]; }     //身份證號 + (BOOL) validateIdentityCard: (NSString *)identityCard {     BOOL flag;     if (identityCard.length <= 0) {         flag = NO;         return flag;     }     NSString *regex2 = @"^(//d{14}|//d{17})(//d|[xX])$";     NSPredicate *identityCardPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2];     return [identityCardPredicate evaluateWithObject:identityCard]; }