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A comment on A Review of Perl 6. Parent comment

Re:A Review of Perl 6 by perlancar3 on Tuesday August 15, 2017 @05:51AM (#15016775)
It has been like that since forever (at least since 5.10, 2007). To only match 0-9, use [0-9] or /\d/a (/a is available since 5.14, 2011).
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