MASK_ALPHA() :STRING
Returns a valid character mask for input statements of A through Z and a through z
See also: Mask_Alnum, Mask_Ascii, Mask_File, Mask_Num, Mask_Path, Mask_Pwd
Returns a valid character mask for input statements of A through Z and a through z
See also: Mask_Alnum, Mask_Ascii, Mask_File, Mask_Num, Mask_Path, Mask_Pwd