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Regular Expression
/
^((?!#).)*something.*$
/
gm
Input 1
# don't include this something # don't include this something either ### nor this something ### something = 1 something_else = something + something something = 2 # do include this another_thing = something + something_else # and this something yet_another_thing = 2 # but not this something
Substitution
# don't include this something # don't include this something either ### nor this something ### something = 1 something_else = something + something something = 2 # do include this another_thing = something + something_else # and this something yet_another_thing = 2 # but not this something