Check whether a string contains one of multiple substrings

Question

I\'ve got a long string-variable and want to find out whether it contains one of two substrings.

e.g.

haystack = \'this one is pretty long\'
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Answer 1

In Ruby >= 2.4 you can do a regex match using | (or):

haystack.match? /whatever|pretty|something/

Or if your strings are in an array:

haystack.match? Regexp.union(strings)

(For Ruby < 2.4, use .match without question mark.)