A collection of code snippets which return a boolean value for a regex comparison.

regexp.match?(string) # Recommended for Ruby >= 2.4

!!(string =~ regexp)  # Recommended for older Rubies

regexp === string

!(regexp !~ string)

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The Ruby 2.4 method Regexp#match? Show archive.org snapshot does not set globals like $~ or $1, so it should be more performant.