CompareStr function

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CompareStr	unit
	Sysutils
	category
	string handling routines

declaration

function CompareStr(const S1, S2: string): integer;

description

Compares two strings.

The comparison is case sensitive (based on the 8-bit ordinal value of each character) and does not consider the Windows locale settings. The return integer value is less than 0 if S1 is less than S2, 0 if S1 equals S2, or greater than 0 if S1 is greater than S2.

This function is obsolete, i.e. it should not be used in new code - exists only for backward compatibility.

example

var s1,s2 : string;
        i : integer;

s1:='Delphi';
s2:='DELPHI';
i:= CompareStr(s1,s2);
//i=32 or s1 > s2 ;

in real code

String Types in Delphi
Understanding and managing string data types in Delphi's Object Pascal. Learn about differences between Short, Long, Wide and null-terminated strings.