The SDL Component Suite is an industry leading collection of components supporting scientific and engineering computing. Please visit the SDL Web site for more information....



IsDigitLetter


Unit:SDL_stringl
Class:none
Declaration: function IsDigitLetter (c: char): boolean;

The function IsDigitLetter returns TRUE if the character c is either a letter in the range of 'A' to 'Z' (either lower or upper case), or a decimal digit ('0' to '9'). Note that only the English alphabet is checked; umlauts or other letters of foreign languages are not recognized.



Last Update: 2023-Feb-06