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正则表达式，格式校验

admin 11月 12, 2020 0

/方法调用/

 carNumString = plCell.carTextField.text;

if ([self isValidateCarNo:carNumString] == NO) {

    [(SRNavigationController*)self.navigationController showAlertWithMessage:@"车牌号格式错误"];
    return;

}

/车牌号验证 MODIFIED BY HELENSONG/

- (BOOL)isValidateCarNo:(NSString*)carNo
{
    NSString *carRegex = @"^[u4e00-u9fa5]{1}[A-Z]{1}[A-Z_0-9]{5}$";
    NSPredicate *carTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", carRegex];
    NSLog(@"carTest is %@", carTest);
    return [carTest evaluateWithObject:carNo];
}