fb74c76891ce37b93c22911c04e0f7e6b811ae3c Fix: Tighten up the ISO8601 …

…date detection for Excel formatting. It must be in the date range 1900-9999.

https://datatables.net/forums/discussion/79268/export-jalali-date-to-excel-in-correct-format#latest

77c8edb903218bbc9e1b579c97a1b8a2a0bbc2a5 Merge branch 'master' of github.com:DataTables/Buttons

Sync to source repo @77c8edb903218bbc9e1b579c97a1b8a2a0bbc2a5

datatables.json

@@ -25,5 +25,5 @@
     ],
     "src-repo": "http://github.com/DataTables/Buttons",
     "last-tag": "3.0.2",
-    "last-sync": "aed943bae31538308a04dcc81ad23bc05bec1bb5"
+    "last-sync": "77c8edb903218bbc9e1b579c97a1b8a2a0bbc2a5"
 }

js/buttons.html5.js

@@ -881,7 +881,7 @@ var _excelSpecials = [
 	{ match: /^\-?[\d,]+$/, style: 63 }, // Numbers with thousand separators
 	{ match: /^\-?[\d,]+\.\d{2}$/, style: 64 },
 	{
-		match: /^[\d]{4}\-[01][\d]\-[0123][\d]$/,
+		match: /^(19\d\d|[2-9]\d\d\d)\-(0\d|1[012])\-[0123][\d]$/,
 		style: 67,
 		fmt: function (d) {
 			return Math.round(25569 + Date.parse(d) / (86400 * 1000));

js/buttons.html5.mjs

@@ -838,7 +838,7 @@ var _excelSpecials = [
 	{ match: /^\-?[\d,]+$/, style: 63 }, // Numbers with thousand separators
 	{ match: /^\-?[\d,]+\.\d{2}$/, style: 64 },
 	{
-		match: /^[\d]{4}\-[01][\d]\-[0123][\d]$/,
+		match: /^(19\d\d|[2-9]\d\d\d)\-(0\d|1[012])\-[0123][\d]$/,
 		style: 67,
 		fmt: function (d) {
 			return Math.round(25569 + Date.parse(d) / (86400 * 1000));