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A postal code validation for Canada postal codes. Format can be: M4B 1T4 M4B1T4

For more background, refer to: http://codel10n.com/what-is-correct-locale-tag-en_us-vs-en-us/

Extracts the flag option information from a bash 'COMMAND --help'.

This regular expression will match the following: 0 1-39 Integers Mixed numbers of the form x y/8 or x-y/8 where x is an integer between 1 & 9 and y is an integer between 0 & 7 xx y/8 or xx-y/8 where xx is an integer between 1 & 39 and y is an integer between 0 & 7...

(\([0-9]{2}\)\s?[0-9]{4,5}-?[0-9]{3,4})|([0-9]{10,11})|([0-9]{2}\s?[0-9]{8,9})