4 ms·
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).
by perlancar3 9y ago
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).