From 962fa79b964dca0168451071bcf774f042aa2f6b Mon Sep 17 00:00:00 2001
From: Ilya Kantor <iliakan@gmail.com>
Date: Sun, 14 Aug 2022 12:31:05 +0300
Subject: [PATCH] closes #3122

---
 .../04-parse-expression/solution.md                | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/9-regular-expressions/11-regexp-groups/04-parse-expression/solution.md b/9-regular-expressions/11-regexp-groups/04-parse-expression/solution.md
index ac67519b..9307d25b 100644
--- a/9-regular-expressions/11-regexp-groups/04-parse-expression/solution.md
+++ b/9-regular-expressions/11-regexp-groups/04-parse-expression/solution.md
@@ -54,3 +54,17 @@ function parse(expr) {
 
 alert( parse("-1.23 * 3.45") );  // -1.23, *, 3.45
 ```
+
+As an alternative to using the non-capturing `?:`, we could name the groups, like this:
+
+```js run
+function parse(expr) {
+	let regexp = /(?<a>-?\d+(?:\.\d+)?)\s*(?<operator>[-+*\/])\s*(?<b>-?\d+(?:\.\d+)?)/;
+
+	let result = expr.match(regexp);
+
+	return [result.groups.a, result.groups.operator, result.groups.b];
+}
+
+alert( parse("-1.23 * 3.45") );  // -1.23, *, 3.45;
+```
\ No newline at end of file