RosettaCodeData/Task/Multisplit/Ruby/multisplit-2.rb

19 lines
482 B
Ruby

def multisplit(text, separators)
sep_regex = Regexp.union(separators)
separator_info = []
pieces = []
i = prev = 0
while i = text.index(sep_regex, i)
separator = Regexp.last_match(0)
pieces << text[prev .. i-1]
separator_info << [separator, i]
i = i + separator.length
prev = i
end
pieces << text[prev .. -1]
[pieces, separator_info]
end
p multisplit(text, separators)
# => [["a", "", "b", "", "c"], [["!=", 1], ["==", 3], ["=", 6], ["!=", 7]]]