EN
JavaScript - find text in string
2
points
In JavaScript, it is possible to find text in strings with String search method.
1. Overview
String search method works in the following way:
- as the first argument takes a regular expression
- returns first text occurrence position,
- returns
-1value 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