Can't escape the backslash with regex?

Question

I\'m using the following regex

^[a-zA-Z0-9\\\',!;\\?\\$\\^:\\\\\\/`\\|~&\\\" @#%\\*\\{}\\(\\)_\\+\\.\\s=-]{1,1000}$

I know it\'s ugly,

Answer 1

you can use ? at the end to skip one "\"

regex("\\\\?")