JavaScript RegEx exec()

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The JavaScript RegExp exec() method is used to get an array containing all the matched groups for a specified string.

Syntax:

RegExpObject.exec(string)

Parameters:
string: It represents the string to be searched.

Return:
An array containing all the matched groups for a given string.

Example:

<!DOCTYPE html>
<html>
<body>
<script>
var string = "HELLO WORLD";
var regExObj = new RegExp( "HELLO", "g" );
var print = regExObj.exec(string);
document.write("Returned value : " + print);
</script>
</body>
</html>