diff options
Diffstat (limited to 'doc/regexp.rdoc')
| -rw-r--r-- | doc/regexp.rdoc | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/doc/regexp.rdoc b/doc/regexp.rdoc index 06c730058d..9218a75b67 100644 --- a/doc/regexp.rdoc +++ b/doc/regexp.rdoc @@ -541,10 +541,15 @@ options which control how the pattern can match. subexpression level with the <tt>(?</tt><i>on</i><tt>-</tt><i>off</i><tt>)</tt> construct, which enables options <i>on</i>, and disables options <i>off</i> for the -expression enclosed by the parentheses. +expression enclosed by the parentheses: - /a(?i:b)c/.match('aBc') #=> #<MatchData "aBc"> - /a(?i:b)c/.match('abc') #=> #<MatchData "abc"> + /a(?i:b)c/.match('aBc') #=> #<MatchData "aBc"> + /a(?-i:b)c/i.match('ABC') #=> nil + +Additionally, these options can also be toggled for the remainder of the +pattern: + + /a(?i)bc/.match('abC') #=> #<MatchData "abC"> Options may also be used with <tt>Regexp.new</tt>: |