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Implementing regex solution. #37

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Implementing regex solution. #37

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2 changes: 1 addition & 1 deletion parser.rb
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Original file line number Diff line number Diff line change
@@ -1,3 +1,3 @@
def word_in_string?(word, string)
# implement with your code here
!!(string =~ /(?<![a-z])#{word}(?![a-z])/i) ? :yes : :no
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@mikegee mikegee Nov 24, 2016

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You don't need to cast the =~ operator's return value to boolean with !!. The ternary operator will work fine with the nil or number it returns.

Not every ruby developer agrees, but I avoid using !! to cast to boolean unless strictly required (like when serializing to JSON). Some ruby devs think predicate methods (like #foo?) should only return true or false, but Ruby's core and stdlib don't behave that way. ¯\_(ツ)_/¯

end