I try to get image url using regex, and my code is below.
string IMG_REX_PATTERN = @"<[Ii][Mm][Gg][^>]*src\s*=\s*[\""\']?(?<IMAGE_URL>[^""'>\s]*)[\""\']?[^>]*>";
Match match = Regex.Match(result[i]["N_Dext5EditorField"].ToString(), IMG_REX_PATTERN, RegexOptions.IgnoreCase);
string src = string.Empty;
if (match.Length > 0)
{
//portalUrl = https://test.beta.co.kr
string portalUrl = DevelopmentHelper.GetPortalUrl();
src = match.Groups[1].Value.Replace(portalUrl, "");
}
else
{
src = "";
}
But, sometimes src contains port number like this.
src = :443/dext5editordata/2017/12/20171228_191217524_37634.png
I want to get url like this(not included port number)
src = /dext5editordata/2017/12/20171228_191217524_37634.png
I thought easy way is portalUrl + ":443", but port number is sometimes diffrent.
How can I fix my code? Please help me.
based on your replies, I changed my code.
if (match.Length > 0)
{
//portalUrl = https://test.beta.co.kr
string portalUrl = DevelopmentHelper.GetPortalUrl();
string tempsrc = match.Groups[1].Value;
var uri = new UriBuilder(tempsrc);
string targetUrl = uri.Uri.ToString();
src = targetUrl .Replace(portalUrl, "");
}
else
{
src = "";
}
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