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Preview Ruby 4.1 is a preview. It can change before the final release. Switch to Ruby 4.0 →

instance method

MatchData#length

() -> ::Integer
length

Alias of #size

Returns size of the match array:

Example
m = /(.)(.)(\d+)(\d)/.match("THX1138.")
# => #<MatchData "HX1138" 1:"H" 2:"X" 3:"113" 4:"8">
m.size # => 5
See also #size #integer_at #match #inspect also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0