non-printable – Tarik Billa

How do I replace or find non-printable characters in vim regex?

April 3, 2023 by Tarik

Removing control symbols only: :%s/[[:cntrl:]]//g Removing non-printable characters (note that in versions prior to ~8.1.1 this removes non-ASCII characters also): :%s/[^[:print:]]//g The difference between them could be seen if you have some non-printable-non-control characters, e.g. zero-width space:

Stripping non printable characters from a string in python

January 2, 2023 by Tarik

Iterating over strings is unfortunately rather slow in Python. Regular expressions are over an order of magnitude faster for this kind of thing. You just have to build the character class yourself. The unicodedata module is quite helpful for this, especially the unicodedata.category() function. See Unicode Character Database for descriptions of the categories. import unicodedata, … Read more