Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Improve docs on whitespace with Regexp::EXTENDED #606

Closed
wants to merge 1 commit into from
Closed

Improve docs on whitespace with Regexp::EXTENDED #606

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
7 changes: 5 additions & 2 deletions doc/regexp.rdoc
View file
Open in desktop
Expand Up @@ -558,8 +558,11 @@ A contrived pattern to match a number with optional decimal places:
\Z/x
float_pat.match('3.14') #=> #<MatchData "3.14" 1:".14">

*Note*: To match whitespace in an <tt>x</tt> pattern use an escape such as
<tt>\s</tt> or <tt>\p{Space}</tt>.
There are a number of strategies for matching whitespace:

* Use a pattern such as <tt>\s</tt> or <tt>\p{Space}</tt>.
* Use escaped whitespace such as <tt>\ </tt>, i.e. a space preceded by a backslash.
* Use a character class such as <tt>[ ]</tt>.

Comments can be included in a non-<tt>x</tt> pattern with the
<tt>(?#</tt><i>comment</i><tt>)</tt> construct, where <i>comment</i> is
Expand Down