remove advanced validation from the URL control

controls/url/script.js

@@ -49,6 +49,7 @@ addFilter('lzb.editor.control.url.render', 'lzb.editor', (render, props) => (
 
 /**
  * Required check.
+ * Just check for empty value. Previously we used advanced URL validation, but we can't restrict values like '#' or 'relative-url-string'.
  *
  * @param {Object} validationData
  * @param {number} value
@@ -60,17 +61,6 @@ function validate(validationData, value) {
 		return { valid: false };
 	}
 
-	if (
-		!/^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})))(?::\d{2,5})?(?:[/?#]\S*)?$/i.test(
-			value
-		)
-	) {
-		return {
-			valid: false,
-			message: 'Please enter a valid URL.',
-		};
-	}
-
 	return validationData;
 }
 addFilter('lzb.editor.control.url.validate', 'lzb.editor', validate);