comment for base64 regex

looker · Nov 18, 2019 · ecd2852 · ecd2852
1 parent 3688187
commit ecd2852
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/examples/image_carousel/imageViewer.js b/src/examples/image_carousel/imageViewer.js
@@ -2,6 +2,8 @@ import React from 'react';
 import { Carousel } from 'react-responsive-carousel';
 
 const URLREGEX = new RegExp("((http|https)(:\/\/))?([a-zA-Z0-9]+[.]{1}){2}[a-zA-Z0-9]+(\/{1}[a-zA-Z0-9]+)*\/?", "igm");
+// Regular expression to check formal correctness of base64 encoded strings
+// https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/atob
 const b64re = /^(?:[A-Za-z\d+\/]{4})*?(?:[A-Za-z\d+\/]{2}(?:==)?|[A-Za-z\d+\/]{3}=?)?$/;
 
 const DOTS_THRESHOLD = 15;