Find/Replace - works partially

[ohrenkino]

See e.g. here:

How to replace a double backslash (and other slashes) in a field?

Hello Everyone, I "literally" discovered the hard way that to apply the Action > Replace does not in fact replace the double-backslash present in a — with whatever I intend to. In this case, I wish to replace the double-backslash (\) (or, similarly, the single backslash, the double-slash, the single slash) with a space-dot-space, which, in itself, appears to pose a problem. However, I am sticking to it. The little I understand of it, I have to use the Action > "Replace with regular expression…