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 could try (maybe needs a bit more escaping):

BLUE="$(tput setaf 4)"
BLACK="$(tput sgr0)"
command | sed "s/^ERROR /${BLUE}ERROR ${BLACK}/g"