using System;
using System.Linq;
public class Test
{
public static void Main()
{
var a =
"rgb (100, 200, 50)"
.Replace("rgb", "")
.Trim()
.Trim('(', ')')
.Split(',')
.Select(e => e.Trim());
foreach(var b in a) Console.WriteLine($"'{b}'");
}
}
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