Remove regexp when checking sources for <audio> and <video>

Author: tneotia

lib/src/replaced_element.dart

@@ -409,11 +409,7 @@ ReplacedElement parseReplacedElement(
         if (element.attributes['src'] != null) element.attributes['src'],
         ...ReplacedElement.parseMediaSources(element.children),
       ];
-      bool matchFound = false;
-      for (String s in sources) {
-        matchFound = s == null ? false : RegExp(r"^((((H|h)(T|t)|(F|f))(T|t)(P|p)((S|s)?))\://)?(www.|[a-zA-Z0-9].)[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,6}(\:[0-9]{1,5})*(/($|[a-zA-Z0-9\.\,\;\?\'\\\+&%\$#\=~_\-]+))*$").hasMatch(s);
-      }
-      if (sources == null || sources.isEmpty || !matchFound) {
+      if (sources == null || sources.isEmpty || sources.first == null) {
         return EmptyContentElement();
       }
       return AudioContentElement(
@@ -450,11 +446,7 @@ ReplacedElement parseReplacedElement(
         if (element.attributes['src'] != null) element.attributes['src'],
         ...ReplacedElement.parseMediaSources(element.children),
       ];
-      bool matchFound = false;
-      for (String s in sources) {
-        matchFound = s == null ? false : RegExp(r"^((((H|h)(T|t)|(F|f))(T|t)(P|p)((S|s)?))\://)?(www.|[a-zA-Z0-9].)[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,6}(\:[0-9]{1,5})*(/($|[a-zA-Z0-9\.\,\;\?\'\\\+&%\$#\=~_\-]+))*$").hasMatch(s);
-      }
-      if (sources == null || sources.isEmpty || !matchFound) {
+      if (sources == null || sources.isEmpty || sources.first == null) {
         return EmptyContentElement();
       }
       return VideoContentElement(