Dear kyle, moritz,

The line number displayed for the warning was indeed misleading me. It actually occurs because of the undefined $email argument.

By the way, Fletch remark was pertinent: the warning was related to the "eq" operator, not to the "m//" one.

Thank you for your help.
Best regards,
-- Jeremie

In reply to Re^2: Puzzling warning "Use of unitialized value" in very simple code by jlhsgcib
in thread Puzzling warning "Use of unitialized value" in very simple code by jlhsgcib

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