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 the hl command avalaible on github :
git clone http://github.com/mbornet-hl/hl

Then :
myCommand | hl -r '^ERROR.*'

You can use the $HOME/.hl.cfg configuration file to simplify the command line.
hl is written in C (source is available). You can use up to 42 differents colors of text.