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With the help of RegExp constructor, regular expressions should be possible to use.

Two methods should be of interest here:

1. test
2. match

🔖 It should be clarified that match is a String method and not a RegExp.

The big difference between the two methods should be that test prints a Boolean value to check for a match, while match should print an array or null if it is used.

An example follows for both cases:

var myString = "Hello World!";
var myRegExp = new RegExp("Hello");

//---test---//

// Searches for a match with the word "Hello" within "Hello World"
var result = myRegExp.test(myString);
// Outputs: true
console.log(result);


//---match---//

// Searches for a match with the word "Hello" within "Hello World"
result = myString.match(myRegExp);
// Outputs: ["Hello", index: 0, input: "Hello World!", groups: undefined]
console.log(result);

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