Переменную строки буду называть .
1.16.
t.ToString())}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.Select(t => Regex.IsMatch(t, @"[A-Z]") ? t.ToLower() : t)}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.Select(t => t.First())}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.ToArray()));}' alt='\texttt{Console.WriteLine(new String(}\\\texttt{{ }{ }{ }{ }str}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.Select(t => t.ToString())}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.Select(t => Regex.IsMatch(t, @"[A-Z]") ? t.ToLower() : t)}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.Select(t => t.First())}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.ToArray()));}' align="absmiddle" class="latex-formula">
1.17.
а-я
t.ToString())}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.Select(t => Regex.IsMatch(t, regex) ? t.ToUpper() : t)}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.Select(t => t.First())}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.ToArray()));}" alt="\texttt{Console.WriteLine(new String(}\\\texttt{{ }{ }{ }{ }str}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.Select(t => t.ToString())}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.Select(t => Regex.IsMatch(t, regex) ? t.ToUpper() : t)}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.Select(t => t.First())}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.ToArray()));}" align="absmiddle" class="latex-formula">
1.18.
t.ToString())}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.Select(t => }\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }char.IsLower(t.First()) ? t.ToUpper() :}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }char.IsUpper(t.First()) ? t.ToLower() :}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }t)}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.Select(t => t.First())}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.ToArray()));}" alt="\texttt{Console.WriteLine(new String(}\\\texttt{{ }{ }{ }{ }str}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.Select(t => t.ToString())}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.Select(t => }\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }char.IsLower(t.First()) ? t.ToUpper() :}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }char.IsUpper(t.First()) ? t.ToLower() :}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }{ }t)}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.Select(t => t.First())}\\\texttt{{ }{ }{ }{ }{ }{ }{ }{ }.ToArray()));}" align="absmiddle" class="latex-formula">
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