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JavaScript - remove all new line characters from string

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In this short article we are going to show how to remove all new line characters from string in JavaScript.

Quick solution.

// ONLINE-RUNNER:browser;

var LINE_EXPRESSION = /\r\n|\n\r|\n|\r/g; // expression symbols order is very important

var text = 'line 1\n' +
    'line 2\r' +
    'line 3\r\n' +
    'line 4\n\r' +
    'line 5';

var convertedText = text.replace(LINE_EXPRESSION, '');
console.log(convertedText);

Note: '' in replace() method can be replaced with any character that will be inserted in new line characters place.

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