Dynamic Regular Expressions
Discover how to use RegExp objects to create dynamic regular expressions in JavaScript. Learn to build patterns at runtime using strings, enabling flexible text searches and practical applications like modifying webpage CSS based on user input.
We'll cover the following...
We'll cover the following...
Benefit of strings with RegExp objects
What is the point of having an entire object dedicated to defining and using a regular expression when the literal notation alternative exists? Is this another one of those crazy quirks from JavaScript?
Actually, no, it isn’t, and we’ll explain why. The literal notation for regular expressions works great, and it is usually the one we prefer when it comes to using them. You’re probably thinking: Then why the heck did they add an alternative to what is already perfect? That is a ...