replaceAll

The replaceAll() method returns a new string in which all occurrences of a specified pattern are replaced by a replacement string.

Interactive example

Syntax

Classic signature

function replaceAll(
	input: string, 
	pattern: string | RegExp, 
	replacement: string
): string;

Curried signature

function replaceAll<
	GenericInput extends string
>(
	pattern: string | RegExp, 
	replacement: string
): (input: GenericInput) => string;

Parameters

• input: The string in which to perform the replacements.
• pattern: The pattern to search for. It can be a string or a regular expression.
• replacement: The replacement string.

Return value

A new string with all occurrences of the pattern replaced by the replacement string.

See also

• replace: Replaces the first occurrence of a pattern in a string.
• includes: Checks whether a string contains a given pattern.
• indexOf: Returns the index of the first occurrence of a pattern in a string.
• toLowerCase: Converts the entire string to lowercase.

Sources

• MDN Web Docs - String.prototype.replaceAll()