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my $entry = "123. The Quick brown fox – jumped over";
my( $num, $text1, $text2 )= $entry =~ m{^ (\d+) \. \s+ (.*?) \s+-\s+ (
+.*?) $}x;
say "$num|$text1|$text2";

Use of uninitialized value $num in concatenation (.) or string at ./te
+st.pl line 10.
Use of uninitialized value $text1 in concatenation (.) or string at ./
+test.pl line 10.
Use of uninitialized value $text2 in concatenation (.) or string at ./
+test.pl line 10.
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