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30 lines
916 B
Text
30 lines
916 B
Text
Returns the offset (in characters) of the beginning of the specified match.
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When non-negative integer argument +n+ is given,
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returns the offset of the beginning of the <tt>n</tt>th match:
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m = /(.)(.)(\d+)(\d)/.match("THX1138.")
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# => #<MatchData "HX1138" 1:"H" 2:"X" 3:"113" 4:"8">
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m[0] # => "HX1138"
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m.begin(0) # => 1
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m[3] # => "113"
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m.begin(3) # => 3
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m = /(т)(е)(с)/.match('тест')
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# => #<MatchData "тес" 1:"т" 2:"е" 3:"с">
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m[0] # => "тес"
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m.begin(0) # => 0
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m[3] # => "с"
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m.begin(3) # => 2
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When string or symbol argument +name+ is given,
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returns the offset of the beginning for the named match:
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m = /(?<foo>.)(.)(?<bar>.)/.match("hoge")
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# => #<MatchData "hog" foo:"h" bar:"g">
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m[:foo] # => "h"
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m.begin('foo') # => 0
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m[:bar] # => "g"
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m.begin(:bar) # => 2
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Related: MatchData#end, MatchData#offset, MatchData#byteoffset.
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