How to write a JavaScript regular expression to match an expression?

To match an expression, use the JavaScript match() method. This method is used to retrieve matches when matching a string with a regular expression. The following are the parameters -

• #param- a regular expression object.

If the regular expression does not contain the g flag, it returns the same result as regexp.exec(string).

If the regular expression contains the g flag, this method returns an array containing all matches.

Example

You can try running the following code to perform mathematical operations on expressions using JavaScript regular expressions -

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