_s.beg("_")

[Davider]

LA Code is OK:

Code:

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//.
script.setup(trayIcon: true, sleepExit: true);
//..


string s = """
_54001
15660
13420
""";

print.it(s.StartsWith("_")); //OK

foreach (var line in s.Split(new[] { "\r\n", "\n", "\r" }, StringSplitOptions.None))
{
    if (line.StartsWith("_"))
    {
        print.it(line.StartsWith("_")); // OK
        string trimmed = line.TrimStart('_');
        print.it(trimmed);
        continue;
    }
    print.it(line);
}