收集的一些正则表达式

车牌号

/**
 *  验证车牌号
 *
 *  @return YES
 */
- (BOOL)validateLicensePlate:(NSString *)licensePlate
{
    NSString *regex = @"^[\\u4e00-\\u9fa5]{1}[A-Z]{1}[A-Z_0-9]{5}$";
    NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex];

    if ([predicate evaluateWithObject:licensePlate]) {
        return YES;
    } else {
        return NO;
    }
}