Hello, your regex is anchored to the end of string with the $ anchor at the end of pattern. this seems not correspond to your description of the problem. More: your $_ inside the grep is each element of @a and you built the hash using partial strings of @b not @a aka not true by definition.

L*

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In reply to Re: Dependant Arrays intersection by Discipulus
in thread Dependant Arrays intersection by simong

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