Update ISO_DATE regex to match full string (#872)

papaparse.js

@@ -1008,7 +1008,7 @@ License: MIT
 		var MAX_FLOAT = Math.pow(2, 53);
 		var MIN_FLOAT = -MAX_FLOAT;
 		var FLOAT = /^\s*-?(\d+\.?|\.\d+|\d+\.\d+)([eE][-+]?\d+)?\s*$/;
-		var ISO_DATE = /(\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d\.\d+([+-][0-2]\d:[0-5]\d|Z))|(\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d([+-][0-2]\d:[0-5]\d|Z))|(\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d([+-][0-2]\d:[0-5]\d|Z))/;
+		var ISO_DATE = /^(\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d\.\d+([+-][0-2]\d:[0-5]\d|Z))|(\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d([+-][0-2]\d:[0-5]\d|Z))|(\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d([+-][0-2]\d:[0-5]\d|Z))$/;
 		var self = this;
 		var _stepCounter = 0;	// Number of times step was called (number of rows parsed)
 		var _rowCounter = 0;	// Number of rows that have been parsed so far

tests/test-cases.js

@@ -997,6 +997,15 @@ var PARSE_TESTS = [
 			errors: []
 		}
 	},
+	{
+		description: "Dynamic typing skips ISO date strings ocurring in other strings",
+		input: 'ISO date,String with ISO date\r\n2018-05-04T21:08:03.269Z,The date is 2018-05-04T21:08:03.269Z\r\n2018-05-08T15:20:22.642Z,The date is 2018-05-08T15:20:22.642Z',
+		config: { dynamicTyping: true },
+		expected: {
+			data: [["ISO date", "String with ISO date"], [new Date("2018-05-04T21:08:03.269Z"), "The date is 2018-05-04T21:08:03.269Z"], [new Date("2018-05-08T15:20:22.642Z"), "The date is 2018-05-08T15:20:22.642Z"]],
+			errors: []
+		}
+	},
 	{
 		description: "Blank line at beginning",
 		input: '\r\na,b,c\r\nd,e,f',