Question: Using R Extract the numbers (return only integers) that are followed by the units 'ml' or 'lb' in the following text. myText

Using R

Extract the numbers (return only integers) that are followed by the units 'ml' or 'lb' in the following text.

myText <- 'At 10am we had 40ml of water, 5 lb of meat, 3lb of salt and 20 apples.'

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