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Matches date ranges where each date is a month (abbreviated or full name, or 1-2 digit number) followed by a year of 2-4 digits, separated by a dash, space, slash, apostrophe, or comma. The two dates are joined by a dash, 'till', or 'to', with the end date optionally being 'present', 'date', or 'now'. Commonly used to extract employment or experience periods from resumes and documents.