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[DOC] offset argument of Regexp#match

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Nobuyoshi Nakada 2022-08-18 23:25:05 +09:00
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@ -3499,13 +3499,18 @@ rb_reg_match2(VALUE re)
* *
* With no block given, returns the MatchData object * With no block given, returns the MatchData object
* that describes the match, if any, or +nil+ if none; * that describes the match, if any, or +nil+ if none;
* the search begins at the given byte +offset+ in +self+: * the search begins at the given character +offset+ in +string+:
* *
* /abra/.match('abracadabra') # => #<MatchData "abra"> * /abra/.match('abracadabra') # => #<MatchData "abra">
* /abra/.match('abracadabra', 4) # => #<MatchData "abra"> * /abra/.match('abracadabra', 4) # => #<MatchData "abra">
* /abra/.match('abracadabra', 8) # => nil * /abra/.match('abracadabra', 8) # => nil
* /abra/.match('abracadabra', 800) # => nil * /abra/.match('abracadabra', 800) # => nil
* *
* string = "\u{5d0 5d1 5e8 5d0}cadabra"
* /abra/.match(string, 7) #=> #<MatchData "abra">
* /abra/.match(string, 8) #=> nil
* /abra/.match(string.b, 8) #=> #<MatchData "abra">
*
* With a block given, calls the block if and only if a match is found; * With a block given, calls the block if and only if a match is found;
* returns the block's value: * returns the block's value:
* *