Question

How to search a word in a string with regular expression (RegExp) in JavaScript

Answer 1

const str = "device width viewport";
 
const index = str.search(/width/i)

console.log(index); 



      
/*
run:
      
7
      
*/

 

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Answer 2

const str = "device WIDTH viewport";
 
const index = str.search(/width/i) // i - modifier for search case-insensitive

console.log(index); 



      
/*
run:
      
7
      
*/

 

70+ SQL courses for beginners and professionals