Char.IsLetterOrDigit

Syntax

IsLetterOrDigit: Boolean;

Description

The IsLetterOrDigit property returns whether the variable contains letters or decimals. The property returns True if the value is a letter or a digit, and otherwise it returns False.

Example

Sub Main;

Var

c, c1, c2, c3: Char;

b, b1, b2, b3: Boolean;

Begin

c := 'a';

c1 := 'A';

c2 := '4';

c3 := '+';

b := c.IsLetterOrDigit;

b1 := c1.IsLetterOrDigit;

b2 := c2.IsLetterOrDigit;

b3 := c3.IsLetterOrDigit;

End Sub Main;

After executing the example the "b", "b1" and "b2" variables will contain True, and the "b3" variable will contain False.