Update solution.md

leviding · web-flow · commit 601cbf7f92b3 · 2018-09-24T15:33:39.000+08:00
diff --git a/5-regular-expressions/03-regexp-character-classes/1-find-time-hh-mm/solution.md b/5-regular-expressions/03-regexp-character-classes/1-find-time-hh-mm/solution.md
@@ -1,5 +1,5 @@
 
-The answer: `pattern:\b\d\d:\d\d\b`.
+答案是：`pattern:\b\d\d:\d\d\b`。
 
 ```js run
 alert( "Breakfast at 09:00 in the room 123:456.".match( /\b\d\d:\d\d\b/ ) ); // 09:00
