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Filename : rindex-i.ri
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U:RDoc::AnyMethod[iI"rindex:ETI"String#rindex;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"RReturns the Integer index of the _last_ occurrence of the given +substring+, ;TI"or +nil+ if none found:;To:RDoc::Markup::BlankLine�o:RDoc::Markup::Verbatim;	[	I"'foo'.rindex('f') # => 0
;TI"'foo'.rindex('o') # => 2
;TI"'foo'.rindex('oo') # => 1
;TI""'foo'.rindex('ooo') # => nil
;T:@format0o;
;	[I"RReturns the Integer index of the _last_ match for the given Regexp +regexp+, ;TI"or +nil+ if none found:;T@o;;	[	I"'foo'.rindex(/f/) # => 0
;TI"'foo'.rindex(/o/) # => 2
;TI"'foo'.rindex(/oo/) # => 1
;TI""'foo'.rindex(/ooo/) # => nil
;T;
0o;
;	[I"HThe _last_ match means starting at the possible last position, not ;TI"!the last of longest matches.;T@o;;	[I"'foo'.rindex(/o+/) # => 2
;TI"$~ #=> #<MatchData "o">
;T;
0o;
;	[I"CTo get the last longest match, needs to combine with negative ;TI"lookbehind.;T@o;;	[I"%'foo'.rindex(/(?<!o)o+/) # => 1
;TI"$~ #=> #<MatchData "oo">
;T;
0o;
;	[I"/Or String#index with negative lookforward.;T@o;;	[I"%'foo'.index(/o+(?!.*o)/) # => 1
;TI"$~ #=> #<MatchData "oo">
;T;
0o;
;	[I"jInteger argument +offset+, if given and non-negative, specifies the maximum starting position in the ;TI" string to _end_ the search:;T@o;;	[	I"#'foo'.rindex('o', 0) # => nil
;TI"!'foo'.rindex('o', 1) # => 1
;TI"!'foo'.rindex('o', 2) # => 2
;TI"!'foo'.rindex('o', 3) # => 2
;T;
0o;
;	[I"MIf +offset+ is a negative Integer, the maximum starting position in the ;TI"Ostring to _end_ the search is the sum of the string's length and +offset+:;T@o;;	[	I""'foo'.rindex('o', -1) # => 2
;TI""'foo'.rindex('o', -2) # => 1
;TI"$'foo'.rindex('o', -3) # => nil
;TI"$'foo'.rindex('o', -4) # => nil
;T;
0o;
;	[I"Related: String#index.;T:
@fileI"
string.c;T:0@omit_headings_from_table_of_contents_below0I"vrindex(substring, offset = self.length) -> integer or nil
rindex(regexp, offset = self.length) -> integer or nil
;T0[�I"(p1, p2 = v2);T@NFI"String;TcRDoc::NormalClass00