Allow multiple-char delimiters (closes #160)

papaparse.js

@@ -925,7 +925,6 @@
 
 		// Delimiter must be valid
 		if (typeof delim !== 'string'
-			|| delim.length != 1
 			|| Papa.BAD_DELIMITERS.indexOf(delim) > -1)
 			delim = ",";
 

player/player.html

@@ -25,7 +25,7 @@
 				<label><input type="checkbox" id="step-pause"> Pause on step</label>
 				<label><input type="checkbox" id="print-steps"> Log each step/chunk</label>
 				
-				<label>Delimiter: <input type="text" size="5" maxlength="1" placeholder="auto" id="delimiter"> <a href="javascript:" id="insert-tab">tab</a></label>
+				<label>Delimiter: <input type="text" size="5" placeholder="auto" id="delimiter"> <a href="javascript:" id="insert-tab">tab</a></label>
 
 				Line Endings: 
 

tests/test-cases.js

@@ -563,15 +563,24 @@ var PARSE_TESTS = [
 		}
 	},
 	{
-		description: "Bad delimiter",
+		description: "Bad delimiter (\\n)",
 		input: 'a,b,c',
-		config: { delimiter: "DELIM" },
+		config: { delimiter: "\n" },
 		notes: "Should silently default to comma",
 		expected: {
 			data: [['a', 'b', 'c']],
 			errors: []
 		}
 	},
+	{
+		description: "Multi-character delimiter",
+		input: 'a, b, c',
+		config: { delimiter: ", " },
+		expected: {
+			data: [['a', 'b', 'c']],
+			errors: []
+		}
+	},
 	{
 		description: "Dynamic typing converts numeric literals",
 		input: '1,2.2,1e3\r\n-4,-4.5,-4e-5\r\n-,5a,5-2',