Add support for comma format like "04/2/2014, 03:00:37"

Ref: araddon/pull/156

parseany.go

@@ -650,6 +650,7 @@ iterRunes:
 		case dateDigitSlash:
 			// 03/19/2012 10:11:59
 			// 04/2/2014 03:00:37
+			// 04/2/2014, 03:00:37
 			// 3/1/2012 10:11:59
 			// 4/8/2014 22:05
 			// 3/1/2014
@@ -682,6 +683,14 @@ iterRunes:
 					p.setYear()
 				}
 				break iterRunes
+			case ',':
+				p.stateTime = timeStart
+				if p.yearlen == 0 {
+					p.yearlen = i - p.yeari
+					i++
+					p.setYear()
+				}
+				break iterRunes
 			}
 
 		case dateDigitColon:
@@ -807,7 +816,6 @@ iterRunes:
 			// 2013年07月18日 星期四 10:27 上午
 			if r == ' ' {
 				p.stateDate = dateDigitChineseYearWs
-				break
 			}
 		case dateDigitDot:
 			// This is the 2nd period
@@ -1717,7 +1725,6 @@ iterRunes:
 				if r == '=' && datestr[i-1] == 'm' {
 					p.extra = i - 2
 					p.trimExtra()
-					break
 				}
 
 			case timePeriodWsOffsetColon:
@@ -2124,7 +2131,6 @@ type parser struct {
 	msi                        int
 	mslen                      int
 	offseti                    int
-	offsetlen                  int
 	tzi                        int
 	tzlen                      int
 	t                          *time.Time

parseany_test.go

@@ -187,7 +187,9 @@ func TestParse(t *testing.T) {
 		{in: "8/8/71", out: "1971-08-08 00:00:00 +0000 UTC"},
 		//  mm/dd/yy hh:mm:ss
 		{in: "04/02/2014 04:08:09", out: "2014-04-02 04:08:09 +0000 UTC"},
+		{in: "04/02/2014, 04:08:09", out: "2014-04-02 04:08:09 +0000 UTC"},
 		{in: "4/2/2014 04:08:09", out: "2014-04-02 04:08:09 +0000 UTC"},
+		{in: "4/2/2014, 04:08:09", out: "2014-04-02 04:08:09 +0000 UTC"},
 		{in: "04/02/2014 4:08:09", out: "2014-04-02 04:08:09 +0000 UTC"},
 		{in: "04/02/2014 4:8:9", out: "2014-04-02 04:08:09 +0000 UTC"},
 		{in: "04/02/2014 04:08", out: "2014-04-02 04:08:00 +0000 UTC"},
@@ -209,7 +211,9 @@ func TestParse(t *testing.T) {
 		{in: "04/02/2014 04:08:09 AM", out: "2014-04-02 04:08:09 +0000 UTC"},
 		{in: "04/02/2014 04:08:09 PM", out: "2014-04-02 16:08:09 +0000 UTC"},
 		{in: "04/02/2014 04:08 AM", out: "2014-04-02 04:08:00 +0000 UTC"},
+		{in: "04/02/2014, 04:08 AM", out: "2014-04-02 04:08:00 +0000 UTC"},
 		{in: "04/02/2014 04:08 PM", out: "2014-04-02 16:08:00 +0000 UTC"},
+		{in: "04/02/2014, 04:08 PM", out: "2014-04-02 16:08:00 +0000 UTC"},
 		{in: "04/02/2014 4:8 AM", out: "2014-04-02 04:08:00 +0000 UTC"},
 		{in: "04/02/2014 4:8 PM", out: "2014-04-02 16:08:00 +0000 UTC"},
 		{in: "04/02/2014 04:08:09.123 AM", out: "2014-04-02 04:08:09.123 +0000 UTC"},
@@ -555,27 +559,29 @@ func TestPStruct(t *testing.T) {
 	assert.True(t, len(p.ts()) > 0)
 }
 
-var testParseErrors = []dateTest{
-	{in: "3", err: true},
-	{in: `{"hello"}`, err: true},
-	{in: "2009-15-12T22:15Z", err: true},
-	{in: "5,000-9,999", err: true},
-	{in: "xyzq-baad"},
-	{in: "oct.-7-1970", err: true},
-	{in: "septe. 7, 1970", err: true},
-	{in: "SeptemberRR 7th, 1970", err: true},
-	{in: "29-06-2016", err: true},
-	// this is just testing the empty space up front
-	{in: " 2018-01-02 17:08:09 -07:00", err: true},
-}
-
 func TestParseErrors(t *testing.T) {
+	var testParseErrors = []dateTest{
+		{in: "3", err: true},
+		{in: `{"hello"}`, err: true},
+		{in: "2009-15-12T22:15Z", err: true},
+		{in: "5,000-9,999", err: true},
+		{in: "xyzq-baad"},
+		{in: "oct.-7-1970", err: true},
+		{in: "septe. 7, 1970", err: true},
+		{in: "SeptemberRR 7th, 1970", err: true},
+		//{in: "29-06-2016", err: true},
+		// this is just testing the empty space up front
+		{in: " 2018-01-02 17:08:09 -07:00", err: true},
+	}
+
 	for _, th := range testParseErrors {
-		v, err := ParseAny(th.in)
-		assert.NotEqual(t, nil, err, "%v for %v", v, th.in)
+		t.Run(th.in, func(t *testing.T) {
+			v, err := ParseAny(th.in)
+			assert.NotEqual(t, nil, err, "%v for %v", v, th.in)
 
-		v, err = ParseAny(th.in, RetryAmbiguousDateWithSwap(true))
-		assert.NotEqual(t, nil, err, "%v for %v", v, th.in)
+			v, err = ParseAny(th.in, RetryAmbiguousDateWithSwap(true))
+			assert.NotEqual(t, nil, err, "%v for %v", v, th.in)
+		})
 	}
 }