Created
January 31, 2017 18:29
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| irb(main):093:0> supported_flags = ["-a","-b","-c","-d"] | |
| => ["-a", "-b", "-c", "-d"] | |
| irb(main):094:0> flags_regex = Regexp.union(supported_flags.map{|i| Regexp.new("\\#{i}*")}) | |
| => /(?-mix:\-a*)|(?-mix:\-b*)|(?-mix:\-c*)|(?-mix:\-d*)/ | |
| irb(main):095:0> "-L".match(flags_regex) | |
| => #<MatchData "-"> |
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