Sure thing. An example where the confusion leads to a difference would be $_[0] =~ "Dr.". It doesn't search for "Dr.", it searches for a three char string starting with "Dr". I mentioned split because split '|', ... is a similar common error and a reference to past threads on the topic.

In reply to Re^4: substring search in an array of arrays by ikegami
in thread substring search in an array of arrays by jgatrell42

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