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Table of Contents
4. Standard Units
4.67. System - Built-in routines
4.67.2. System Unit Procedures and Functions
4.67.2.61. Pos function
4.67.2.61. Pos function
Targets: MS-DOS, OS/2, Win32
System Unit
Searches for a substring in a string.
Declaration:
function Pos(SubStr: String; S: String): Byte;
Remarks:
Pos returns the index of the first character of SubStr
in S. If SubStr is not found then Pos returns zero.
Example:
Index := Pos('23', '123'); // Index is 2
Index := Pos('z', 'ABC'); // Index is 0
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