Question

How to count the occurrences of a word in string using regular expression in JavaScript

Answer 1

const s = 'javascript php c c++ javascript javascript';
 
const regExp = /javascript/g;
 
const result = s.match(regExp);
 
console.log(result.length);
 
   
     
     
/*
run:
     
3
     
*/

 

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Answer 2

const s = 'javascript php c c++ javascript javascript';

const word = "javascript";

const regExp = new RegExp(word, 'g');

console.log(s.match(regExp).length);

  
    
    
/*
run:
    
3
    
*/

 

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