month = '(jan|feb|mar|apr|may|jun|jul|aug|sep|nov|dec)[a-z]{0,6}'
regex_strings = ['%s(\.| )\d{1,2},? \d{2,4}' % month, # Month.Day, Year
'\d{1,2} %s,? \d{4}' % month, # Day Month Year(4)
'%s \d{1,2}\w{2},? \d{4}' % month, # Mon Day(th), Year
'\d{1,2} %s' % month, # Day Month
'\d{1,2}\.\d{1,2}\.\d{4}', # Month.Day.Year
'\d{1,2}/\d{1,2}/\d{2,4}', # Month/Day/Year{2,4}
]