lcNumber = "1133412927"
*lcNumber = "01133412927"
? LTRIM(TRANSFORM(PADL(lcNumber,11), "@R 999-9999-9999") )

>How can I insert hyphens from right to left,
>one after the fourth digit and other after the eighth digit,
>so that the number: 1133412927 becomes 11-3341-2927
>
>Sometimes it can be: 01133412927, and must become: 011-3341-2927
>
>Thanks
>
>Moises