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| author | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2019-11-03 23:18:01 +0900 |
|---|---|---|
| committer | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2019-11-03 23:18:01 +0900 |
| commit | 7b2cd548aa52fa434006dccff62a6050ed5fd881 (patch) | |
| tree | c399a0d9deef10bbd0ff98bbfc391f0ecb3b3d11 /doc/regexp.rdoc | |
| parent | f8b3d7d1599ecaa6760d947609f966a7a5b22e2c (diff) | |
[DOC] mentioned `\R` [ci skip]
Diffstat (limited to 'doc/regexp.rdoc')
| -rw-r--r-- | doc/regexp.rdoc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/regexp.rdoc b/doc/regexp.rdoc index c14a145831..ccf82538b7 100644 --- a/doc/regexp.rdoc +++ b/doc/regexp.rdoc @@ -132,6 +132,9 @@ The following metacharacters also behave like character classes: * <tt>/\H/</tt> - A non-hexdigit character (<tt>[^0-9a-fA-F]</tt>) * <tt>/\s/</tt> - A whitespace character: <tt>/[ \t\r\n\f\v]/</tt> * <tt>/\S/</tt> - A non-whitespace character: <tt>/[^ \t\r\n\f\v]/</tt> +* <tt>/\R/</tt> - A linebreak: <tt>\n</tt>, <tt>\v</tt>, <tt>\f</tt>, <tt>\r</tt> + <tt>\u0085</tt> (NEXT LINE), <tt>\u2028</tt> (LINE SEPARATOR), <tt>\u2029</tt> (PARAGRAPH SEPARATOR) + or <tt>\r\n</tt>. POSIX <i>bracket expressions</i> are also similar to character classes. They provide a portable alternative to the above, with the added benefit |