\documentclass{article}
\usepackage{natbib}

\begin{document}

\textit{Text goes here~\cite{Local1}.}

% Conceal example
Bla bla bla, see Ref.~\cite{Local1,Local1}. For more info, see also \cite{Local1}.

% These are only for biblatex - don't detect them
\autocite{}
\Textcite[e.g.][]{}
\smartcite{}

% Cite commands
\cite{}
\citealp*{}
\citealp{}
\citealp*{Local1}
\citealp{Local1}
\citealt*{}
\citealt{}
\citealt*{Local1}
\citealt{Local1}
\citeauthor*{}
\citeauthor*{Local1}
\citeauthor{Local1}
\citeauthor{Local1}
\citenum{}
\citenum{Local1}
\citep[e.g.][]{Local1}
\citep{Local1}
\citet*{}
\citetext{}
\citetext{priv.\ comm.}nfo, see also \cite{Local1}.
\citeyear{}
\citeyear{Local1}
\citeyearpar{}
\citeyearpar{Local1}

% Capitalized cite commands
\Citealp{Local1}
\Citealt{Local1}
\Citeauthor{Local1}
\Citep{Local1}
\Citet{Local1}

\bibliographystyle{plainnat}
\bibliography{../common/local1.bib}

\end{document}