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JavaScript - remove suffix from string
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In this article, we would like to show you how to remove suffix from string in JavaScript.
Quick solution:
// ONLINE-RUNNER:browser;
let text = 'ABCD';
// replace the last two characters with empty string
let result1 = text.replace(/.{0,2}$/, '');
// remove the last two characters
let result2 = text.slice(0, -2);
// remove the last two characters
let result3 = text.substring(0, text.length - 2);
console.log(result1); // AB
console.log(result2); // AB
console.log(result3); // AB
Practical examples
1. String.prototype.replace() with regex
In this example, we use replace() method with regex to replace the last two letters (CD) with an empty string.
// ONLINE-RUNNER:browser;
let text = 'ABCD';
// replace the last two characters with empty string
let result = text.replace(/.{0,2}$/, '');
console.log(result); // AB
2. String.prototype.slice()
In this example, we use slice() method to remove the last two letters from the text.
// ONLINE-RUNNER:browser;
let text = 'ABCD';
// remove the last two characters
let result = text.slice(0, -2);
console.log(result); // AB
3. String.prototype.substring()
In this example, we use substring() method to remove the last two letters from the text.
// ONLINE-RUNNER:browser;
let text = 'ABCD';
// remove the last two characters
let result = text.substring(0, text.length - 2);
console.log(result); // AB