How to write regex 'line' contains string [duplicate]

Question

I have string:

one line
second line
magic line foo
third line

How to match full line with foo only using keyword foo?

So, I can match foo using /foo/g, but I don't know how to match full line.

Thank you for any help.

Answer 1

you can try this:

^.*foo.*$

it will match full line containing foo

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