Colour highlighting output based on regex in shell

Question

I\'d like to know if I can colour highlight the output of a shell command that matches certain strings.

For example, if I run myCommand, with the output below:

Answer 1

You can use programs such as:

• spc (Supercat)
• grc (Generic Colouriser)
• highlight
• histring
• pygmentize
• grep --color

You can do something like this, but the commands won't see a tty (some will refuse to run or behave differently or do weird things):

exec > >(histring -fEi error)    # Bash