The replace() method searches a string for a value or a regular expression. The replace() method returns a new string with the value(s) replaced. The replace() method does not change the original string.

4 days ago · Any value that doesn't have the Symbol.replace method will be coerced to a string. Can be a string or a function. If it's a string, it will replace the substring matched by pattern. A number of special replacement patterns are supported; see the Specifying a string as the replacement section below.

The str.replace(/abc/g, ''); (C) is a good cross-browser fast solution for all strings. Solutions based on split-join (A,B) or replace (C,D) are fast; Solutions based on while (E,F,G,H) are slow - usually ~4 times slower for small strings and about ~3000 times (!) slower for long strings

Summary: in this tutorial, you’ll learn how to use the JavaScript String replace() method to return a new string with one or more matches replaced by a new string. The replace () method returns a new string with the first occurrence of a substring by …

Jun 26, 2024 · JavaScript replace() method is used for manipulating strings. It allows you to search for a specific part of a string, called a substring, and then replace it with another substring.

Nov 19, 2024 · Here are different approaches to replace all occurrences of a string in JavaScript. 1. Using string.replace () Method. The string.replace () method is used to replace a part of the given string with another string or a regular expression. The original string will remain unchanged. Syntax. 2. Using String split () and join () Methods.

Oct 20, 2020 · RegEx makes replaceing strings in JavaScript more effective, powerful, and fun. You're not only restricted to exact characters but patterns and multiple replacements at once. In this article, we've seen how they work together using a few examples.

There are already multiple answers using str.replace() (which is fair enough for this question) and regex but you can use combination of str.split() and join() together which is faster than str.replace() and regex. Below is working example:

Mar 9, 2021 · The replace() method searches the given string for a specified value or a regular expression and returns a new string with some or all matched occurrences replaced. The replace() method accepts two parameters: const newStr = string. replace (substr | regexp, newSubstr | function) The first parameter can be a string or a regular expression.

JavaScript string replace () method eliminates a given string with the specified replacement. By default it will replace the first match only.