JavaScript String replace() And replaceAll() OR How to Replace First Character of String Tutorial

JavaScript String replace() And replaceAll() OR How to Replace First Character of String - JavaScript Tutorial

In this tutorial, you'll learn that the string replace() is a built-in JavaScript function that searches the string for a specified value, keyword, or regular expression.

The JavaScript String replace() or replaceAll, both methods return a new string with a substring ( substr ) replaced by a new one ( newSubstr ) or all matches of a pattern replaced by a replacement.

The replace guide includes syntax and examples to understand replace & replace all methods.

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