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jasonyost/mixednumregex.rb

Last active August 29, 2015 14:14
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Regex to find mixed number in string
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mixednumregex.rb
/^(\d++(?! *\/))? *-? *((?:(\d+) *\/ *(\d+)))?(.*)$/
# "1 1/2 parts".scan(/^(\d++(?! *\/))? *-? *((?:(\d+) *\/ *(\d+)))?(.*)$/) => [["1", "1/2", "1", "2", " parts"]]
# "25ml".scan(/^(\d++(?! *\/))? *-? *((?:(\d+) *\/ *(\d+)))?(.*)$/) => [["25", nil, nil, nil, "ml"]]
# "1 ounce".scan(/^(\d++(?! *\/))? *-? *((?:(\d+) *\/ *(\d+)))?(.*)$/) => => [["1", nil, nil, nil, "ounce"]]
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