Current Path : /usr/local/share/ri/1.8/system/String/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/local/share/ri/1.8/system/String/index-i.yaml |
--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Returns the index of the first occurrence of the given <em>substring</em>, character (<em>fixnum</em>), or pattern (<em>regexp</em>) in <em>str</em>. Returns <tt>nil</tt> if not found. If the second parameter is present, it specifies the position in the string to begin the search. - !ruby/struct:SM::Flow::VERB body: " "hello".index('e') #=> 1\n "hello".index('lo') #=> 3\n "hello".index('a') #=> nil\n "hello".index(101) #=> 1\n "hello".index(/[aeiou]/, -3) #=> 4\n" full_name: String#index is_singleton: false name: index params: | str.index(substring [, offset]) => fixnum or nil str.index(fixnum [, offset]) => fixnum or nil str.index(regexp [, offset]) => fixnum or nil visibility: public