Sha256: 935f5851b375d10cbbf2209ed185e440a43a3b6728b73293dc02b64637668ec0
Contents?: true
Size: 924 Bytes
Versions: 26
Compression:
Stored size: 924 Bytes
Contents
class String
# Iterate through each word of a string.
#
# "a string".each_word { |word, range| ... }
#
def each_word( &yld )
rest_of_string = self
wordfind = /([-'\w]+)/
arity = yld.arity
offset = 0
while wmatch = wordfind.match(rest_of_string)
word = wmatch[0]
range = offset+wmatch.begin(0) ... offset+wmatch.end(0)
rest_of_string = wmatch.post_match
if arity == 1
yld.call(word)
else
yld.call(word, range)
end
offset = self.length - rest_of_string.length
end
end
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TCString < Test::Unit::TestCase
def test_each_word
a = []
i = "this is a test"
i.each_word{ |w| a << w }
assert_equal( ['this', 'is', 'a', 'test'], a )
end
end
=end
Version data entries
26 entries across 26 versions & 1 rubygems