#### I want to replace the leading “\$\$” and trailing “\$\$” with “(backquote)\$\$” and “\$\$(backquote)” respectively

Cause the platform I’m using only supports formulas wrapped in

```````\$\$ and \$\$`
``````

Only with backticks can it be recognized as a LateX formula.

Screenshot

I want to achieve this effect:

This is the original content:

``````If the object moves at a constant speed over a distance of \$2L\$ in a straight line within time \$2t\$, then the time elapsed for the object is:

\$\$
tau_1 = 2t sqrt{1 - left(frac{L}{ct}right)^2}
\$\$
``````

The desired effect is:

``````If the object moves at a constant speed over a distance of \$2L\$ in a straight line within time \$2t\$, then the time elapsed for the object is:

`\$\$
tau_1 = 2t sqrt{1 - left(frac{L}{ct}right)^2}
\$\$`
``````

I have tried writing a regular expression:

``````Formulas that match a single \$:

(?<!\$)\$([^\$]+)\$(?!\$)

Formulas that match two \$s:

(?<!\$)\$\$([^\$]+)\$\$(?!\$)

Match a \$:

(?<!\$)\$(?!\$)
``````

I have been confused for a long time and don’t know how to change it. I can’t find the corresponding answer on the Internet. I hope to get your help.

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