CompareStr
Compare 2 ansistrings case-sensitively, ignoring special characters.
Declaration
Source position: sysstrh.inc line 79
function CompareStr(const S1: string; const S2: string) : Integer
; Overload;
function CompareStr(const S1: string; const S2: string;
LocaleOptions: TLocaleOptions) : Integer; Overload;
Description
CompareStr compares two strings, S1 and S2, and returns the following result:
- <0
- if S1<S2.
- 0
- if S1=S2.
- >0
- if S1>S2.
The comparison of the two strings is case-sensitive. The function does not take internationalization settings into account, it simply compares ASCII values.
Errors
None.
See also
| Name | Description |
|---|---|
| AnsiCompareStr | Compare 2 ansistrings, case sensitive, ignoring accents characters. |
| AnsiCompareText | Compare 2 ansistrings, case insensitive, ignoring accents characters. |
| CompareText | Compare 2 ansistrings case insensitive. |
Example
Program Example65;
{ This program demonstrates the CompareStr function }
{$H+}
Uses sysutils;
Procedure TestIt (S1,S2 : String);
Var R : Longint;
begin
R:=CompareStr(S1,S2);
Write ('"',S1,'" is ');
If R<0 then
write ('less than ')
else If R=0 then
Write ('equal to ')
else
Write ('larger than ');
Writeln ('"',S2,'"');
end;
Begin
Testit('One string','One smaller string');
Testit('One string','one string');
Testit('One string','One string');
Testit('One string','One tall string');
End.