using System;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
string str = "abc=0;def=2;abc=1;ghi=4;jkl=2";
Regex rgx = new Regex(@"(?<=abc=)\d+");
foreach (Match m in rgx.Matches(str))
Console.WriteLine(m.Value);
}
}
CnVzaW5nIFN5c3RlbTsKdXNpbmcgU3lzdGVtLlRleHQuUmVndWxhckV4cHJlc3Npb25zOwogCnB1YmxpYyBjbGFzcyBUZXN0CnsKcHVibGljIHN0YXRpYyB2b2lkIE1haW4oKQp7CnN0cmluZyBzdHIgPSAiYWJjPTA7ZGVmPTI7YWJjPTE7Z2hpPTQ7amtsPTIiOwpSZWdleCByZ3ggPSBuZXcgUmVnZXgoQCIoPzw9YWJjPSlcZCsiKTsKIGZvcmVhY2ggKE1hdGNoIG0gaW4gcmd4Lk1hdGNoZXMoc3RyKSkKQ29uc29sZS5Xcml0ZUxpbmUobS5WYWx1ZSk7Cn0KfQ==