From f54a20acc696979e643c67c5c24d359791e91c3b Mon Sep 17 00:00:00 2001 From: LeviDing Date: Sun, 7 Aug 2022 15:22:40 +0800 Subject: [PATCH] fix: typo --- .../11-regexp-groups/04-parse-expression/solution.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) 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..6d1e761c 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 @@ -10,8 +10,8 @@ The full regular expression: `pattern:-?\d+(\.\d+)?\s*[-+*/]\s*-?\d+(\.\d+)?`. It has 3 parts, with `pattern:\s*` between them: 1. `pattern:-?\d+(\.\d+)?` - the first number, -1. `pattern:[-+*/]` - the operator, -1. `pattern:-?\d+(\.\d+)?` - the second number. +2. `pattern:[-+*/]` - the operator, +3. `pattern:-?\d+(\.\d+)?` - the second number. To make each of these parts a separate element of the result array, let's enclose them in parentheses: `pattern:(-?\d+(\.\d+)?)\s*([-+*/])\s*(-?\d+(\.\d+)?)`.