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Regular Expressions (or regex) are patterns used to create ‘search and replace’ in strings. It is available in many computer languages but the most popular is JavaScript. There are also a lot of regex application fields, which include the following common examples: data validation, data scraping, and string parsing, among others. Developers and programmers ought to learn regex because these are useful in extracting information for a large amount or body of text.

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    Check my code 3 Tage left

    I have a search engine app, small app that uses API and is connected with AJAX using .fetch method. The app works, when user types something in search box, the results are filtered and shown to him. But I don't know how to add a line where there is no results. I am using regex and .match method to check results.

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