fix: Enabled link regex to be overridden

lib/src/models/rules/insert.dart

@@ -371,18 +371,18 @@ class AutoFormatMultipleLinksRule extends InsertRule {
       r'https?:\/\/[\w\-]+(\.[\w\-]+)*(:\d+)?(\/[^\s]*)?';
 
   /// It requires a valid link in one link
-  static final oneLineLinkRegExp = RegExp(
+  RegExp get oneLineLinkRegExp => RegExp(
     _oneLineLinkPattern,
     caseSensitive: false,
   );
 
   /// It detect if there is a link in the text whatever if it in the middle etc
   // Used to solve bug https://github.com/singerdmx/flutter-quill/issues/1432
-  static final detectLinkRegExp = RegExp(
+  RegExp get detectLinkRegExp => RegExp(
     _detectLinkPattern,
     caseSensitive: false,
   );
-  static final linkRegExp = oneLineLinkRegExp;
+  RegExp get linkRegExp => oneLineLinkRegExp;
 
   @override
   Delta? applyRule(

lib/src/widgets/toolbar/buttons/link_style2_button.dart

@@ -413,7 +413,7 @@ class _LinkStyleDialogState extends State<LinkStyleDialog> {
 
   String? _validateLink(String? value) {
     if ((value?.isEmpty ?? false) ||
-        !AutoFormatMultipleLinksRule.oneLineLinkRegExp.hasMatch(value!)) {
+        !const AutoFormatMultipleLinksRule().oneLineLinkRegExp.hasMatch(value!)) {
       return widget.validationMessage ?? 'That is not a valid URL';
     }
 

lib/src/widgets/toolbar/buttons/link_style_button.dart

@@ -196,7 +196,7 @@ class _LinkDialogState extends State<_LinkDialog> {
   late String _text;
 
   RegExp get linkRegExp {
-    return widget.linkRegExp ?? AutoFormatMultipleLinksRule.oneLineLinkRegExp;
+    return widget.linkRegExp ?? const AutoFormatMultipleLinksRule().oneLineLinkRegExp;
   }
 
   late TextEditingController _linkController;