replace above is limited: the characters to be replaced are known - "ava". ![]() It is often used like so: const str = 'JavaScript' Īs you can see above, the replace method accepts two arguments: the string to be replaced, and what the string would be replaced with. replace method is used on strings in JavaScript to replace parts of string with characters. ![]() With RegEx, you can match strings at points that match specific characters (for example, JavaScript) or patterns (for example, NumberStringSymbol - 3a&). ![]() ![]() Regular Expressions (also called RegEx or RegExp) are a powerful way to analyze text.
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