How to get rid of the $ sign in latexocr GUI output?

[RamPrime]

In the output of latexocr GUI, the latex equation is of the form '$ latex here $ '. In many cases, I only want to copy the latex equation but not the $ signs.
i.e.,

What procedure should I take to modify the file?

I am using Python 3.10.8, win 11 x64.

[ustcwl]

After OCR, the latex code is automatically saved in the clipboard without $.