Hi!

I'm trying to save a big output expression from Mathematica to a txt file (which I transform then to .m file) to use this expression in further calculations. However when I copy-paste it sometimes happens that what I paste differs from the original. E.g. I had something like "1/F^4 4" but when pasted in the txt file it reads 1/F^44 omitting the space and transforming the multiplication into the 44 power. This seem to happen only if the expression I copy is long enough. Would be helpful if someone gives a hint about how to solve this.

Thank you!