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To trim empty lines in a JavaScript multiline string, you can use the `replace()` method with a regular expression. Here's an example code snippet: const multiLineString = `Hello World How are you? `; const trimmedString = multiLineString.replace(/^\s*[\r\n]/gm, ''); console.log(trimmedString); The regular expression ^\s*

You can split a string in JavaScript using multiple delimiters by providing a regular expression (regex) as the delimiter. The regex should include all the delimiters you want to split on. const myString = "Hello, world; foo|bar"; const myArray = myString.split(/[ ,;|]+/); console.log(myArray); // ["Hello", "