using System;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
string txt = "e1e2e3";
Regex digits = new Regex(@"\d");
Random
rand = new Random
(); txt
= digits.
Replace(txt
, match
=> rand.
Next(0, 9).
ToString()); Console.WriteLine(txt);
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uVGV4dC5SZWd1bGFyRXhwcmVzc2lvbnM7CgpwdWJsaWMgY2xhc3MgVGVzdAp7CglwdWJsaWMgc3RhdGljIHZvaWQgTWFpbigpCgl7CgkgICAgc3RyaW5nIHR4dCA9ICJlMWUyZTMiOwogICAgICAgIFJlZ2V4IGRpZ2l0cyA9IG5ldyBSZWdleChAIlxkIik7CiAgICAgICAgUmFuZG9tIHJhbmQgPSBuZXcgUmFuZG9tKCk7CiAgICAgICAgdHh0ID0gZGlnaXRzLlJlcGxhY2UodHh0LCBtYXRjaCA9PiByYW5kLk5leHQoMCwgOSkuVG9TdHJpbmcoKSk7CiAgICAgICAgQ29uc29sZS5Xcml0ZUxpbmUodHh0KTsKCX0KfQ==