quine's wiki | Main / RegularExpressions

Main.RegularExpressions History

February 19, 2014, at 08:33 PM by 204.101.2.194 -

Added lines 7-10:

Match all locations in a number where a comma should be placed.

(?<=\\d)(?=(\\d\\d\\d)+$) $num =~ s/(?<=\\d)(?=(\\d\\d\\d)+$)/,/g;

February 10, 2010, at 08:45 PM by 192.28.0.20 -

Added lines 1-2:

(See also RegExp.)

February 10, 2010, at 08:45 PM by 192.28.0.20 -

Added lines 1-4:

Modify all lines that have a third column starting with 'Y' to 'R', where columns are defined by tabs, and do the replacement at most once per line.

1,$s/$^[^ ]* [^ ]* $'Y'/\1'R'/