Determines the correct structure of a US phone number based on length and if the number starts with a 1.
Will support numbers with structure of :
1 888 555 1212 x943
555 1212
888 555 1212
1 888 555 1212
Anything over 11 chars, with a 1 prefix, will suffix the rest as an extension.
Or, anything over 10 chars, wo a 1 prefix, will suffix the rest as an extension.
Anything less than 7 characters will not get any formatting.
Formatting is structured as:
n+(nnn)nnn-nnnn xnnn
Note: these functions are not guaranteed
or supported by BrianDunning.com. Please contact the individual
developer with any questions or problems.
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