fix some error in day 12

12_Day_Regular_expressions/12_day_regular_expressions.md

@@ -348,7 +348,7 @@ Zero or many times. The pattern could may not occur or it can occur many times.
 
 ```js
 
-const pattern = /[a].*/g  //. any character, + any character one or more times 
+const pattern = /[a].*/g  //. any character, * any character zero or more times 
 const txt = 'Apple and banana are fruits'
 const matches = txt.match(pattern)
 
@@ -434,7 +434,6 @@ points = ['-1', '2', '-4', '-3', '-1', '0', '4', '8']
 sortedPoints =  [-4, -3, -1, -1, 0, 2, 4, 8]
 distance = 12
 ```
-
 1. Write a pattern which identify if a string is a valid JavaScript variable
 
 ```sh
@@ -484,7 +483,8 @@ distance = 12
 ```
 
 ```sh
-   [{word:'love', count:6},
+[
+{word:'love', count:6},
 {word:'you', count:5},
 {word:'can', count:3},
 {word:'what', count:2},
@@ -499,7 +499,7 @@ distance = 12
 
 ### Exercises: Level 3
 
-1. Writ a function which cleans text. Clean the following text. After cleaning, count three most frequent words in the string.
+1. Write a function which cleans text. Clean the following text. After cleaning, count three most frequent words in the string.
   
 ```js
 sentence = `%I $am@% a %tea@cher%, &and& I lo%#ve %tea@ching%;. There $is nothing; &as& mo@re rewarding as educa@ting &and& @emp%o@wering peo@ple. ;I found tea@ching m%o@re interesting tha@n any other %jo@bs. %Do@es thi%s mo@tivate yo@u to be a tea@cher!?`
@@ -514,11 +514,12 @@ distance = 12
 
 ```js
 console.log(mostFrequentWords(cleanedText))
-    [{word:'I', count:3}, {word:'teaching', count:2}, {word:'teacher', count:2}]
 ```
 
+```sh
+[{word:'I', count:3}, {word:'teaching', count:2}, {word:'teacher', count:2}]
+```
 
 🎉 CONGRATULATIONS ! 🎉
 
-
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