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FormatPhone ( PhoneIn ; AreaCode )

Masks or refomats North American phone numbers

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Chris Harvey Bank of Bermuda http://www.bankofbermuda.bm

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

Let ( [Numbs = Filter ( PhoneIn ; "0123456789"); CharLen = Length(Numbs); fixedAC = Filter(areacode; "0123456789"); defAreaCode = Case(Length(fixedAC) = 3; "(" & fixedAC &") ")]; Case(CharLen = 7; defAreaCode & Left(Numbs; 3) & "-" & Right(Numbs; 4);CharLen = 10; "(" & Left(Numbs;3 ) & ") " & Middle ( Numbs ; 4 ; 3 ) & "-" & Right(Numbs; 4); PhoneIn)) Click to copy

Masks North American phone numbers, and adds an area code if none given. Does not reformat any numbers that don't match the North American pattern (7 or 10 digits). Used with an area code lookup table it is quite useful: FormatPhone ( PhoneNumber; Lookup ( AreaCodes::AreaCode;"")).

 

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