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[DOC] offset argument of Regexp#match

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Nobuyoshi Nakada 2022-08-18 23:25:05 +09:00
parent b0b9f7201a
commit c53667691a
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re.c
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@ -3499,13 +3499,18 @@ rb_reg_match2(VALUE re)
*
* With no block given, returns the MatchData object
* 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', 4) # => #<MatchData "abra">
* /abra/.match('abracadabra', 8) # => 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;
* returns the block's value:
*