using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @~
<a[^>]*>[^<]*</a>(*SKIP)(*FAIL)|https?:\S+
~;
string input = @" https://vimeo.com/id1 //this line should get replaced with embed code by module
<a href=""https://vimeo.com/id1""> Check out this video </a> //here, anything that is in href="" should not be replaced
on <a href=""https://vimeo.com""> Vimeo </a>";
RegexOptions options = RegexOptions.Multiline;
foreach (Match m in Regex.Matches(input, pattern, options))
{
Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx