Data commit

Task/Tokenize-a-string-with-escaping/D/tokenize-a-string-with-escaping.d

@@ -0,0 +1,35 @@
+import std.stdio;
+
+void main() {
+    string sample = "one^|uno||three^^^^|four^^^|^cuatro|";
+
+    writeln(sample);
+    writeln(tokenizeString(sample, '|', '^'));
+}
+
+auto tokenizeString(string source, char seperator, char escape) {
+    import std.array : appender;
+    import std.exception : enforce;
+
+    auto output = appender!(string[]);
+    auto token = appender!(char[]);
+
+    bool inEsc;
+    foreach(ch; source) {
+        if (inEsc) {
+            inEsc = false;
+        } else if (ch == escape) {
+            inEsc = true;
+            continue;
+        } else if (ch == seperator) {
+            output.put(token.data.idup);
+            token.clear();
+            continue;
+        }
+        token.put(ch);
+    }
+    enforce(!inEsc, "Invalid terminal escape");
+
+    output.put(token.data.idup);
+    return output.data;
+}