Time for an 2014 update…

Task/Binary-strings/BASIC/binary-strings-1.basic

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+REM STRING CREATION AND DESTRUCTION (WHEN NEEDED AND IF THERE'S NO GARBAGE COLLECTION OR SIMILAR MECHANISM)
+A$ = "STRING" : REM CREATION
+A$ = "" : REM DESTRUCTION
+PRINT FRE(0) : REM GARBAGE COLLECTION
+
+REM STRING ASSIGNMENT
+A$ = "STRING" : R$ = "DEUX"
+
+REM STRING COMPARISON
+PRINT A$ = B$; A$ <> B$; A$ < B$; A$ > B$; A$ <= B$; A$ >= B$
+
+REM STRING CLONING AND COPYING
+B$ = A$
+
+REM CHECK IF A STRING IS EMPTY
+PRINT LEN(A$) = 0
+
+REM APPEND A BYTE TO A STRING
+A$ = A$ + CHR$(0)
+
+REM EXTRACT A SUBSTRING FROM A STRING
+S$ = MID$(A$, 2, 3)
+
+REM REPLACE EVERY OCCURRENCE OF A BYTE (OR A STRING) IN A STRING WITH ANOTHER STRING
+S = LEN(S$) : R = LEN(R$) : A = LEN(A$) : IF A > S THEN B$ = "" : FOR I = 1 TO A : F = MID$(A$, I, S) = S$ : B$ = B$ + MID$(R$, 1, R * F) + MID$(A$, I, F = 0) : NEXT I : A$ = B$ : PRINT A$
+
+REM JOIN STRINGS
+J$ = A$ + STR$(42) + " PUDDLES " + B$ + CHR$(255) : REM USE +