% This file is embedded in datatool-user.pdf version 3.0.1 2025-03-05
% Example 20 String Equality Tests
% Label: "ex:streq"
% arara: pdflatex
% arara: pdfcrop
\documentclass[12pt]{article}
\pagestyle{empty}
\usepackage{datatool-base}
\newcommand{\strA}{zebra}
\newcommand{\strB}{Zebra} 
\begin{document}
`\strA' is \DTLifstringeq{\strA}{\strB}{the same}{not the same} as `\strB' (case). 

`\strA' is \DTLifstringeq*{\strA}{\strB}{the same}{not the same} as `\strB' (no case). 

`\strA' is \DTLifstringeq{\strA}{zebra}{the same}{not the same} as `zebra' (case). 

`\emph{ant}' is \DTLifstringeq{\emph{ant}}{ant}{the same}{not the same} as `ant'. 

\DTLsetup{compare={skip-cs}} `\emph{ant}' is \DTLifstringeq{\emph{ant}}{ant}{the same}{not the same} as `ant' (skip cs). 

`ant zebra' is \DTLifstringeq{ant zebra}{ant \strA}{the same}{not the same} as `ant \strA' (no expansion). 

\DTLsetup{compare={expand-cs}} `ant zebra' is \DTLifstringeq{ant zebra}{ant \strA}{the same}{not the same} as `ant \strA' (expansion). 
\end{document}