Introduced text type to VC and improve test suite

Change-Id: Ic51f3de112af5ec8d35bbae3bd97e988dbdb1a47
diff --git a/dev/js/src/vc/array.js b/dev/js/src/vc/array.js
index 9c7bf4d..8a47a3d 100644
--- a/dev/js/src/vc/array.js
+++ b/dev/js/src/vc/array.js
@@ -2,19 +2,19 @@
   return [
     // layerInfo                   // stored
     // tokenSource                 // stored
-    ['author', 'string'],          // text
+    ['author', 'text'],            // text
     // ['biblEditionStatement', 'string'], // stored
-    ['corpusAuthor', 'string'],    // text
+    ['corpusAuthor', 'text'],      // text
     // ['corpusEditor', 'string'], // stored
     ['corpusSigle', 'string'],     // string 
-    ['corpusSubTitle', 'string'],  // text
-    ['corpusTitle', 'string'],     // text
+    ['corpusSubTitle', 'text']  ,  // text
+    ['corpusTitle', 'text'],       // text
     ['creationDate', 'date'],      // int
-    ['docAuthor', 'string'],       // text
+    ['docAuthor', 'text'],         // text
     // ['docEditor', 'string'],    // stored
     ['docSigle', 'string'],        // string
-    ['docSubTitle', 'string'],     // text
-    ['docTitle', 'string'],        // text
+    ['docSubTitle', 'text'],       // text
+    ['docTitle', 'text'],          // text
     // ['editor', 'string'],       // stored
     // ['fileEditionStatement', 'string'], // stored
     ['foundries', 'string'],       // keywords
@@ -26,7 +26,7 @@
     // ['publisher', 'string'],    // stored
     ['pubPlace', 'string'],        // string
     // ['reference', 'string'],    // stored
-    ['subTitle', 'string'],        // text
+    ['subTitle', 'text'],          // text
     ['textClass', 'string'],       // keyword
     ['textColumn', 'string'],      // string
     ['textDomain', 'string'],      // string
@@ -34,6 +34,6 @@
     ['textType', 'string'],        // string
     ['textTypeArt', 'string'],     // string
     ['textTypeRef', 'string'],     // string
-    ['title', 'string']            // text
+    ['title', 'text']              // text
   ]
 });
diff --git a/dev/js/src/vc/doc.js b/dev/js/src/vc/doc.js
index f3e5559..f173de8 100644
--- a/dev/js/src/vc/doc.js
+++ b/dev/js/src/vc/doc.js
@@ -9,7 +9,6 @@
   'util'
 ], function (jsonldClass, rewriteListClass, stringValClass) {
 
-  _validRegexMatchRE  = new RegExp("^(?:eq|ne)$");
 
   const loc = KorAP.Locale;
   loc.EMPTY = loc.EMPTY || '⋯';
@@ -253,7 +252,7 @@
             // Try to create a regular expression
             var check = new RegExp(json["value"]);
 
-            if (!_validRegexMatchRE.test(this.matchop())) {
+            if (!KorAP._validStringMatchRE.test(this.matchop())) {
               KorAP.log(802, "Match type is not supported by value type");
 
               // Rewrite method
diff --git a/dev/js/src/vc/item.js b/dev/js/src/vc/item.js
index d2c6fc1..f9267e8 100644
--- a/dev/js/src/vc/item.js
+++ b/dev/js/src/vc/item.js
@@ -80,7 +80,8 @@
 
       // Create list item
       var li = document.createElement("li");
-      li.setAttribute("data-type", this._type);
+      if (this._type)
+        li.setAttribute("data-type", this._type);
       li.setAttribute("data-key",  this._key);
 
       // Connect action
diff --git a/dev/js/src/vc/unspecified.js b/dev/js/src/vc/unspecified.js
index daa7c88..0395685 100644
--- a/dev/js/src/vc/unspecified.js
+++ b/dev/js/src/vc/unspecified.js
@@ -120,7 +120,6 @@
 
       // Get the key menu
       var menu = KorAP._vcKeyMenu;
-
       // Add key menu element at the correct position
       this._element.insertBefore(
 	      menu.element(),