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1. stackoverflow.com › questions › 17885855Use dynamic (variable) string as regex pattern in JavaScript

   stackoverflow.com › questions › 17885855

   To create the regex from a string, you have to use JavaScript's RegExp object. If you also want to match/replace more than one time, then you must add the g (global match) flag. Here's an example: var stringToGoIntoTheRegex = "abc"; var regex = new RegExp("#" + stringToGoIntoTheRegex + "#", "g");

2. stackoverflow.com › questions › 4029109Javascript Regex: How to put a variable inside a regular...

   stackoverflow.com › questions › 4029109

   To build a regular expression from a variable in JavaScript, you'll need to use the RegExp constructor with a string parameter. function reg(input) { var flags; //could be any combination of 'g', 'i', and 'm' flags = 'g'; return new RegExp('ReGeX' + input + 'ReGeX', flags); }

3. www.geeksforgeeks.org › how-to-use-a-variable-in-regular-expression-in-javascriptHow to use a Variable in Regular Expression in JavaScript -...

   www.geeksforgeeks.org › how-to-use-a-variable-in-regular-expression-in-javascript

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   15 gru 2023 · In this article, we will learn how to identify if a string matches with a regular expression and subsequently return all the matching strings in JavaScript. We can use the JavaScript string.search() method to search for a match between a regular expression in a given string.

4. developer.mozilla.org › en-US › docsUsing regular expressions in JavaScript - MDN Web Docs

   developer.mozilla.org › en-US › docs

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   25 lip 2024 · These patterns are used with the exec () and test () methods of RegExp, and with the match (), matchAll (), replace (), replaceAll (), search (), and split () methods of String. This chapter describes JavaScript regular expressions. It provides a brief overview of each syntax element.

5. how-to-learn-regex.netlify.app › tutorials › how-to-add-variable-to-regex-jsUnlock the Power of Dynamic Matching with Regex Variables in JS

   how-to-learn-regex.netlify.app › tutorials › how-to-add-variable-to-regex-js

   Unlock the Power of Dynamic Matching with Regex Variables in JS. Learn how to add variables to your regex patterns in JavaScript, making it easier to match and manipulate text data. Discover real-world use cases, step-by-step examples, and tips for avoiding common … Updated November 8, 2023.

6. developer.mozilla.org › Web › JavaScriptString.prototype.match() - JavaScript | MDN - MDN Web Docs

   developer.mozilla.org › Web › JavaScript

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   25 lip 2024 · The match() method of String values retrieves the result of matching this string against a regular expression. Try it. Syntax. js. match(regexp) Parameters. regexp. A regular expression object, or any object that has a Symbol.match method.

7. www.studytonight.com › post › how-to-use-a-variable-in-regular-expression-patternHow to use a Variable in Regular Expression pattern in JavaScript...

   www.studytonight.com › post › how-to-use-a-variable-in-regular-expression-pattern

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   26 maj 2023 · Learn how to make Regular expression dynamic by using a variable string with the regex pattern in Javascript. We have covered multiple code examples to solve it