I am looking for a data pattern for matching date 1 to 31, and the month January to December, right now I am using this pattern ([1-9]|0[1-9]|1[0-9]|2[0-9]|3[01]).[a-zA-Z]
([1-9]|0[1-9]|1[0-9]|2[0-9]|3[01]).[a-zA-Z]
