Class: String
- Inherits:
-
Object
- Object
- String
- Defined in:
- lib/zeiger.rb
Instance Method Summary collapse
Instance Method Details
#ngrams(size) ⇒ Object
13 14 15 16 17 18 19 20 21 22 23 24 25 26 |
# File 'lib/zeiger.rb', line 13 def ngrams size padding = " " * (size - 1) txt = self ngrams = Hash.new { |h,k| h[k] = 0 } regex = Regexp.compile("." * size) result = [] (txt.length - 2).times do |i| result << txt[i..(i + 2)] end result end |