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function CompareText(const S1, S2: string): integer;
Compares two strings without case sensitivity.
The comparison is NOT case sensitive 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This function is obsolete, i.e. it should not be used in new code - exists only for backward compatibility.
String Types in Delphi
var s1,s2 : string;
i : integer;
//i<0 because D is less than P in ascii order.
Understanding and managing string data types in Delphi's Object Pascal. Learn about differences between Short, Long, Wide and null-terminated strings.
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