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March 5, 2018 05:28
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| reg_obj = Regexp.new('([a-z]*\.?){1,3}\.ishanggang\.com') | |
| s = `ag "#{reg_obj.to_s}"` | |
| lines = s.split(/\t|\n/) | |
| res = lines.each_with_object([]) do |e, arr| | |
| if e =~ reg_obj | |
| arr << $~.to_s | |
| end | |
| end.uniq.sort |
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