Symfony 2 and 3 monolog color output with multitail

multitail.conf

# Symfony 2, 3, 4 color scheme - aka monolog
# Usage: multitail -cS symfony logfile
# Inspired by: https://gist.github.com/Stubbs/9504462
colorscheme:symfony
cs_re:white,,bold:^\[....-..-.. ..:..:..\]
cs_re:cyan: .*\.(DEBUG):
cs_re:blue: .*\.(INFO|NOTICE):
cs_re:yellow: .*\.(WARNING):
cs_re:red: .*\.(ERROR|CRITICAL):
cs_re:red:(ERROR|CRITICAL)
cs_re:green:\[
cs_re:green:\]
cs_re:magenta: \{[^}]+\}