diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/regexp.rdoc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/doc/regexp.rdoc b/doc/regexp.rdoc index 29435a96d7..810f15ce1a 100644 --- a/doc/regexp.rdoc +++ b/doc/regexp.rdoc @@ -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 |