v1.2

- Update findSetters regex and add external test https://regex101.com/r/kWwUmp/3 (some day I will learn to write test cases)
- `let` to `var` for better old browser support

README.md

@@ -6,6 +6,10 @@ This is an attempt at a very basic [CSS variables (custom properties)](https://d
 According to [caniuse.com](https://caniuse.com/#feat=css-variables), of current browsers only IE, Edge and Opera Mini do not support CSS variables. This polyfill appears to work on all three really well. I don't see why this wouldn't work on older browsers as well, but I haven't been able to test it on them yet.
 
 # Changelog
+## 1.2 - 2021-03-19
+- Update findSetters regex and add external test https://regex101.com/r/kWwUmp/3 (some day I will learn to write test cases)
+- `let` to `var` for better old browser support
+
 ## 1.1.2 - 2019-03-23
 - Update findSetters and replaceGetters (thanks @CodeZeno)
 

css-var-polyfill.js

@@ -1,10 +1,10 @@
 /*!
- * css-var-polyfill.js - v1.1.2
+ * css-var-polyfill.js - v1.2
  *
  * Copyright (c) 2019 Aaron Barker <http://aaronbarker.net>
  * Released under the MIT license
  *
- * Date: 2019-03-23
+ * Date: 2021-03-19
  */
 let cssVarPoly = {
   init: function() {
@@ -63,7 +63,8 @@ let cssVarPoly = {
   // find all the "--variable: value" matches in a provided block of CSS and add them to the master list
   findSetters: function(theCSS, counter) {
     // console.log(theCSS);
-    cssVarPoly.varsByBlock[counter] = theCSS.match(/(--[^:)]+:[\s]*[^;}]+)/g) || [];
+    // tests for the following at https://regex101.com/r/kWwUmp/3
+    cssVarPoly.varsByBlock[counter] = theCSS.match(/(--[\w-]+:[\s]*[^;\n}]+)/g) || [];
   },
 
   // run through all the CSS blocks to update the variables and then inject on the page