Adding region commenting feature for Latex in Intellij editor(No tested in other editors)

gist.tex

%% Not work out document environment 
\newenvironment{region}[1][]{}{}

test.tex

\documentclass[12pt]{article}

\newenvironment{region}[1][]{}{}

\begin{document}

    \begin{region}[This will not be shown on the screen]
        but this will
    \end{region}

    \begin{region}[This will not be shown on the screen]
        but also this will
    \end{region}

\end{document}