From 2ca9b556d037c65b2d15f1f420521cb9618a92a7 Mon Sep 17 00:00:00 2001
From: cheng <98784021+wespc@users.noreply.github.com>
Date: Fri, 7 Jul 2023 14:23:57 +0800
Subject: [PATCH] Modify the answer to Exercise 17.22.

the correct output of regex index should be [2],[5],[7]
---
 ch17/README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ch17/README.md b/ch17/README.md
index 77da337..46506de 100644
--- a/ch17/README.md
+++ b/ch17/README.md
@@ -872,7 +872,7 @@ int main()
 				{
 					badNums << " " << ph;
 				}else
-					formatted << " " << (*it)[2] << " " << (*it)[2] << (*it)[2];
+					formatted << " " << (*it)[2] << " " << (*it)[5] << (*it)[7];
 		}
 		if(badNums.str().empty())
 			ofs << person.name << " " << formatted.str() << endl;
@@ -1464,4 +1464,4 @@ int main()
 
 	return 0;
 }
-```
\ No newline at end of file
+```