1 files changed, 10 insertions, 0 deletions
diff --git a/ui/src/utils.ts b/ui/src/utils.ts
index c48b00c6..c6f43c94 100644
--- a/ui/src/utils.ts
+++ b/ui/src/utils.ts
@@ -84,6 +84,16 @@ export function isImage(url: string) {
   return imageRegex.test(url);
 }
 
+export function validURL(str: string) {
+  var pattern = new RegExp('^(https?:\\/\\/)?'+ // protocol
+    '((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,}|'+ // domain name
+    '((\\d{1,3}\\.){3}\\d{1,3}))'+ // OR ip (v4) address
+    '(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*'+ // port and path
+    '(\\?[;&a-z\\d%_.~+=-]*)?'+ // query string
+    '(\\#[-a-z\\d_]*)?$','i'); // fragment locator
+  return !!pattern.test(str);
+}
+
 export let fetchLimit: number = 20;
 
 export function capitalizeFirstLetter(str: string): string {