How to put a vertical line with derivative

Question

Dear All in attached image how I can put a vertical line with derivative .Any command for this please?

Answer 1

Like this.

\documentclass{article}
\newcommand\rd{\mathrm d}
\begin{document}
\[
\left.\frac{\rd y}{\rd x}\right|_{x=0}
\]
\end{document}