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JavaScript - how to find text in string?

2 points
Created by:
Root-ssh
68500

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 = text.search('is'); // be careful because of regex characters
var position2 = text.search('\\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 = text.search(/\bis\b/);

console.log(position); // 5

 

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