using System;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
var str = @"<point srsName=""EPSG:4326(WGS84)"">
<coordinates>121.7725934555,25.1508396138</coordinates>";
var m = Regex.Match(str, "<coordinates>([^,]+),([^<]+)</coordinates>");
Console.WriteLine("'{0}' '{1}'", m.Groups[1], m.Groups[2]);
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uVGV4dC5SZWd1bGFyRXhwcmVzc2lvbnM7CgpwdWJsaWMgY2xhc3MgVGVzdAp7CglwdWJsaWMgc3RhdGljIHZvaWQgTWFpbigpCgl7CiAgICB2YXIgc3RyID0gQCI8cG9pbnQgc3JzTmFtZT0iIkVQU0c6NDMyNihXR1M4NCkiIj4KPGNvb3JkaW5hdGVzPjEyMS43NzI1OTM0NTU1LDI1LjE1MDgzOTYxMzg8L2Nvb3JkaW5hdGVzPiI7CiAgICB2YXIgbSA9IFJlZ2V4Lk1hdGNoKHN0ciwgIjxjb29yZGluYXRlcz4oW14sXSspLChbXjxdKyk8L2Nvb3JkaW5hdGVzPiIpOwogICAgQ29uc29sZS5Xcml0ZUxpbmUoIid7MH0nICd7MX0nIiwgbS5Hcm91cHNbMV0sIG0uR3JvdXBzWzJdKTsKCX0KfQ==