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  1. stackoverflow.com › questions › 1789945How to check whether a string contains a substring in JavaScript...

    24 lis 2009 · var string = "foo"; var substring = "oo"; console.log(string.indexOf(substring) !== -1); // true

  2. realpython.com › python-string-contains-substringHow to Check if a Python String Contains a Substring

    In this tutorial, you'll learn the best way to check whether a Python string contains a substring. You'll also learn about idiomatic ways to inspect the substring further, match substrings with conditions using regular expressions, and search for substrings in pandas.

  3. www.baeldung.com › java-string-contains-substringCheck If a String Contains a Substring - Baeldung

    8 sty 2024 · contains will search a substring throughout the entire String and will return true if it’s found and false otherwise. In this example, contains returns true because “Hey” is found. Assert.assertTrue("Hey Ho, let's go".contains("Hey"));

  4. www.w3schools.com › Jsref › jsref_includesJavaScript String includes() Method - W3Schools

    The includes() method returns true if a string contains a specified string. Otherwise it returns false. The includes() method is case sensitive.

  5. www.freecodecamp.org › news › how-to-check-if-a-string-contains-a-substring-javascriptHow to Check if a String Contains a Substring in JavaScript

    7 paź 2022 · In this article, you will learn two different ways you can check if a string contains a substring using JavaScript methods. Specifically, you will learn: How to use the built-in includes() JavaScript method.

  6. attacomsian.com › blog › ways-to-check-string-contains-substring-javascriptHow to check if a string contains a substring in JavaScript

    24 kwi 2019 · There are multiple ways to check if a string contains a substring in JavaScript. You can use either String.includes(), String.indexOf(), String.search(), String.match(), regular expressions, or 3rd-party library like Lodash.

  7. bobbyhadz.com › blog › javascript-check-if-string-contains-substringCheck if a String contains a Substring in JavaScript

    1 mar 2024 · Use the `String.includes()` method to check if a string contains a substring, e.g. `myString.includes('substring')`.

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