JavaScript - how to find text in string?

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In JavaScript it is possible to find text in string with String search method.

1. Overview

String search method works in following way:

  • as first argument takes regular expression
  • returns first text occurrance position,
  • returns -1 value if nothing found

2. String search method with regular expression example

2.1. With text argument 

// ONLINE-RUNNER:browser;

var text = 'This is my text...';

var position1 ='is'); // be careful because of regex characters
var position2 ='\\bis\\b');

console.log(position1); // 2
console.log(position2); // 5

2.2. With object argument example

// ONLINE-RUNNER:browser;

var text = 'This is my text...';
var position =\bis\b/);

console.log(position); // 5


JavaScript - String (popular problems)

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