Separate hard to read punctuation regex

highlightjs · May 18, 2021 · 252483c · klmr · May 18, 2021 · joshgoebel
1 parent f508d48
commit 252483c
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/src/languages/r.js b/src/languages/r.js
@@ -27,7 +27,14 @@ export default function(hljs) {
     /(?:\d+(?:\.\d*)?|\.\d+)(?:[eE][+-]?\d+)?[Li]?/
   );
   const OPERATORS_RE = /[=!<>:]=|\|\||&&|:::?|<-|<<-|->>|->|\|>|[-+*\/?!$&|:<=>@^~]|\*\*/;
-  const PUNCTUATION_RE = /\[\[|[(){}[\]\\,]/;
+  const PUNCTUATION_RE = regex.either(
+    /[()]/,
+    /[{}]/,
+    /\[\[/,
+    /[[\]]/,
+    /\\/,
+    /,/
+  );
 
   return {
     name: 'R',