using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^color:(?!\s*@|\s*transparent|\s*inherit).*;$";
string input = @"I want to capture all colors that are not ""transparent"", ""inherit"" or starts with an ""@"" character.
should be captured
--------------------------
color: blue;
color:red3434;
color: red3434;
color: #00FF00;
color: #F0F;
color: face(@B23);
should not be captured
--------------------------
color: transparent;
color: @transparent;
color: @transparent;
color: inherit;
color: @B23;";
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