using System;
using System.Text.RegularExpressions;
class Demo {
public static void Main()
{
String text = "<ServiceUsage>k__BackingField";
Regex re = new Regex(@"\<([^)]*)\>");
foreach (Match match in re.Matches(text)) {
Console.WriteLine(match.Groups[1]);
}
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uVGV4dC5SZWd1bGFyRXhwcmVzc2lvbnM7CgpjbGFzcyBEZW1vIHsKICAgIHB1YmxpYyBzdGF0aWMgdm9pZCBNYWluKCkKICAgIHsKICAgICAgICBTdHJpbmcgdGV4dCA9ICI8U2VydmljZVVzYWdlPmtfX0JhY2tpbmdGaWVsZCI7CiAgICAgICAgUmVnZXggcmUgPSBuZXcgUmVnZXgoQCJcPChbXildKilcPiIpOwogICAgICAgIGZvcmVhY2ggKE1hdGNoIG1hdGNoIGluIHJlLk1hdGNoZXModGV4dCkpIHsKICAgICAgICAgICAgQ29uc29sZS5Xcml0ZUxpbmUobWF0Y2guR3JvdXBzWzFdKTsKICAgICAgICB9CiAgICB9Cn0=