Code archives/Algorithms/Alphabetical sort
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This function checks two strings and tells which one is higher in alphabet. It is purposely not case sensitive. To add case sensitivity, remove these two lines from the code: If ch1 => 65 And ch1 <= 90 Then ch1 = Asc(Lower(Chr(ch1))) If ch2 => 65 And ch2 <= 90 Then ch2 = Asc(Lower(Chr(ch2))) | |||||
;Return values of this function: ; -1 => both strings are identical ; 1 => s1$ is higher in alphabet ; 0 => s2$ is higher in alphabet ;This function is NOT case sensitive. Function SortStrings(s1$, s2$) If Len(s1$) > Len(s2$) Then While Len(s1$) > Len(s2$) s2$ = s2$ + Chr(1) Wend ElseIf Len(s2$) > Len(s1$) Then While Len(s2$) > Len(s1$) s1$ = s1$ + Chr(1) Wend EndIf ln = Len(s1$) For i = 1 To ln ch1 = Asc(Mid(s1$, i, 1)) If ch1 => 65 And ch1 <= 90 Then ch1 = Asc(Lower(Chr(ch1))) ch2 = Asc(Mid(s2$, i, 1)) If ch2 => 65 And ch2 <= 90 Then ch2 = Asc(Lower(Chr(ch2))) If ch1 < ch2 Then Return True ElseIf ch1 > ch2 Then Return False EndIf Next Return -1 End Function |
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