You can use the RegExp object: var regexstring = "whatever"; var regexp = new RegExp(regexstring, "gi"); var str = "whateverTest"; var str2 = str.replace(regexp, "other"); …

Dec 4, 2024 · In JavaScript, regular expressions can be created dynamically using the RegExp constructor. This method allows you to pass a string as the pattern and optionally specify flags …

Nov 11, 2022 · Instead of directly specifying the characters we want to match, we can make the regex dynamically by accepting a variable containing the characters. In this article, we will …

Jun 16, 2023 · In JavaScript, you have two ways to use a variable in a regex (regular expression) pattern. The first method is to create a new RegExp object using the RegExp () constructor …

May 26, 2023 · To use a variable in a Regular Expression pattern, you can create a new Regular Expression object using the "RegExp ()" constructor and pass in the variable as a parameter. …

You can do dynamic regexs by combining string values and other regex expressions within a raw string template. Using String.raw will prevent javascript from escaping any character within …

One is to use the constructor of the RegExp object, by passing in string variables to create dynamic regular expressions. The other is to combine regular expression literals with …

Nov 23, 2024 · Learn how to effectively incorporate variables into regex patterns with JavaScript's String.replaceAll () method through practical examples.

Sep 2, 2023 · To use a variable inside a regular expression in JavaScript, you can leverage the RegExp constructor. Here's how you can modify your code to make it work: By creating a new …

Apr 2, 2023 · In this tutorial, we are going to learn about using a variable in a regular expression (regex). Consider we have a string and we need to remove all yes in that string. We can do …