And the nice thing about List::MoreUtils::any is - that it will return as soon as it found a "match" in the array and does not have to run through all elements as grep does;
- it can take any function or subroutine as an argument to match, not only a regex.
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CountZero A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James
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ad 1. on other side, grep in scalar content returns number of matching elements, so you can do tests like "at least N elements match"
ad 2. same you can do with grep
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