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Is there a regex to match “all characters including newlines”? For example, in the regex below, there is no output from $2 because (.+?) doesn’t include new lines when matching. $string = “START Curabitur mollis, dolor ut rutrum consequat, arcu nisl ultrices diam, adipiscing aliquam ipsum metus id velit. Aenean vestibulum gravida felis, quis bibendum … Read more
How can I start an interactive console for Perl, similar to the irb command for Ruby or python for Python? 24 Answers 24
I’m trying to use a break statement in a for loop, but since I’m also using strict subs in my Perl code, I’m getting an error saying: Bareword “break” not allowed while “strict subs” in use at ./final.pl line 154. Is there a workaround for this (besides disabling strict subs)? My code is formatted as … Read more
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for … Read more
I sometimes want to match whitespace but not newline. So far I’ve been resorting to [ \t]. Is there a less awkward way? 7 Answers 7
I’m running ActiveState’s 32 bit ActivePerl 5.14.2 on Windows 7. I wanted to mess around with a Git pre-commit hook to detect programs being checked in with syntax errors. (Somehow I just managed to do such a bad commit.) So as a test program I randomly jotted this: use strict; use warnings; Syntax error! exit … Read more
I wonder why most modern solutions built using Perl don’t enable UTF-8 by default. I understand there are many legacy problems for core Perl scripts, where it may break things. But, from my point of view, in the 21st century, big new projects (or projects with a big perspective) should make their software UTF-8 proof … Read more
When I run perl, I get the warning: perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LANG = “en_US.UTF-8” are supported and installed on your system. perl: warning: Falling back to the standard locale (“C”). How do I fix it? 45 s 45
