It's also fairly straightforward to strip escape codes if you need to using sed or similar[0], and there probably already exists a tool that will do just that specifically and more robustly than my example.

[0] Here's a basic example I wrote in Ruby: https://github.com/mike-bourgeous/mb-util/blob/5616cc4ce6218...

    str.gsub(/\e\[[^A-Za-z~]*[A-Za-z~]/, '')