unless ($line =~ m/([A-Z]\d[A-Z]\s*\d[A-Z]\d)/i) {

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Your pattern is over-broad for a Canadian postal code (see: Canadian postal code)  You probably want something like: 
unless ( $line =~ m/([ABCEGHJ-NPRSTVXY][0-9][ABCEGHJ-NPRSTV-Z]\s*[0-9]
+[ABCEGHJ-NPRSTV-Z][0-9])/i ) {

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In reply to Re: Get latitude and longitude from Canadian postal codes by jwkrahn
in thread Get latitude and longitude from Canadian postal codes by superfrink

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