using System;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
Console.WriteLine(Regex.Replace("<tag tsdfg> some random text", @"<(.*)?\s+(.*)?>", "<$1>"));
Console.WriteLine(Regex.Replace("<tag tsdfg /> some random text", @"<(.*)?\s+(.*)?>", "<$1>"));
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uVGV4dC5SZWd1bGFyRXhwcmVzc2lvbnM7CgpwdWJsaWMgY2xhc3MgVGVzdAp7CglwdWJsaWMgc3RhdGljIHZvaWQgTWFpbigpCgl7CgkJQ29uc29sZS5Xcml0ZUxpbmUoUmVnZXguUmVwbGFjZSgiPHRhZyB0c2RmZz4gc29tZSByYW5kb20gdGV4dCIsIEAiPCguKik/XHMrKC4qKT8+IiwgIjwkMT4iKSk7CgkJQ29uc29sZS5Xcml0ZUxpbmUoUmVnZXguUmVwbGFjZSgiPHRhZyB0c2RmZyAvPiBzb21lIHJhbmRvbSB0ZXh0IiwgQCI8KC4qKT9ccysoLiopPz4iLCAiPCQxPiIpKTsKCX0KfQ==