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Dir : ~/usr/share/ri/3.0.0/system/String/

View File Name : index-i.ri

U:RDoc::AnyMethod[iI"
index:ETI"String#index;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"RReturns the \Integer index of the first occurrence of the given +substring+, ;TI"or +nil+ if none found:;To:RDoc::Markup::Verbatim;	[	I"'foo'.index('f') # => 0
;TI"'foo'.index('o') # => 1
;TI"'foo'.index('oo') # => 1
;TI"!'foo'.index('ooo') # => nil
;T:@format0o;
;	[I"SReturns the \Integer index of the first match for the given \Regexp +regexp+, ;TI"or +nil+ if none found:;To;;	[	I"'foo'.index(/f/) # => 0
;TI"'foo'.index(/o/) # => 1
;TI"'foo'.index(/oo/) # => 1
;TI"!'foo'.index(/ooo/) # => nil
;T;0o;
;	[I"I\Integer argument +offset+, if given, specifies the position in the ;TI" string to begin the search:;To;;	[I" 'foo'.index('o', 1) # => 1
;TI" 'foo'.index('o', 2) # => 2
;TI""'foo'.index('o', 3) # => nil
;T;0o;
;	[I"EIf +offset+ is negative, counts backward from the end of +self+:;To;;	[	I"!'foo'.index('o', -1) # => 2
;TI"!'foo'.index('o', -2) # => 1
;TI"!'foo'.index('o', -3) # => 1
;TI"#'foo'.index('o', -4) # => nil
;T;0o;
;	[I"Related: String#rindex;T:
@fileI"
string.c;T:0@omit_headings_from_table_of_contents_below0I"nstring.index(substring, offset = 0) -> integer or nil
string.index(regexp, offset = 0) -> integer or nil
;T0[�I"(p1, p2 = v2);T@4FI"String;TcRDoc::NormalClass00