BeWoPlaner/Shared/Core/Utilities/WebUtils.cs

using System;
using System.Text.RegularExpressions;

namespace BS.Shared.Core.Utilities
{
	public static class WebUtils
	{
		public static string CombineUrl(string base_url, string sub_url)
		{
			var baseUri = new Uri(base_url);
			var uri = new Uri(baseUri, sub_url);
			var url = uri.ToString();
			return url;
		}

		public static bool CheckColorString(string colorString)
        {
            if(string.IsNullOrWhiteSpace(colorString))
            {
                return false;
            }

            return Regex.IsMatch(colorString, @"^#[0-9A-Fa-f]{6}$");
        }
    }
}