you can use this codes:
str = str.Substring (10); // to remove the first 10 characters.
str = str.Remove (0, 10); // to remove the first 10 characters
str = str.Replace ("NT-DOM-NV\", ""); // to replace the specific text with blank
// to delete anything before
int i = str.IndexOf('\');
if (i >= 0) str = str.SubString(i+1);
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