output = File.ReadLines(tempOutputFile + ".txt").Single(l => Regex.IsMatch(l, "^.*[0-9][А-я].*$"));
try
{
output = File.ReadLines(tempOutputFile + ".txt").Single(l => Regex.IsMatch(l, "^.*[0-9][А-я].*$"));
}
catch(Exception e)
{
}
output = File.ReadLines(tempOutputFile + ".txt").SingleOrDefault(l => Regex.IsMatch(l, "^.*[0-9][А-я].*$"));