Compare two strings to see which is greater than the other SysUtils unit
 function CompareStr(const FirstString, SecondString string):Integer;
The CompareStr function is Obsolete.
New code should use the AnsiCompareStr function, which takes into account multi-byte strings, and accented characters.
The Integer output is as follows:
FirstString < SecondString  : -ve number
FirstString = SecondString  : 0
FirstString > SecondString  : +ve number
Related commands
AnsiCompareStrCompare two strings for equality
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