Markdown is a lightweight syntax used for authoring HTML, PDF, and MS Word documents, as well as README, blog and forum posts, and other web pages. In some cases, however, special characters like , `_`, , [, and ] can alter the appearance of your content when you run Markdown over it. escape Markdown special…

In web development, URLs are a standard aspect, and they also can contain risky characters and symbols that aren’t generally readily available. You may have noticed that some characters become oddly-looking codes when you try to add some spaces or accented letters or even put a Chinese character or anything else into a URL if…

In this case it’s a problem very common in JavaScript development – double-encoded URLs and broken query strings. These can result in incorrect search terms, failed API requests and unexpected query value returns. Sometimes a white space in a search query becomes %2520, an ampersand can get split a value into more parameters. Most of…

HTML Special Characters can create strange issues if used to display user input, when used to insert text to HTML or build web applications with user input. Special characters like <, >, &, and the quotation marks have special meaning in HTML; if these characters are not used properly, they can break your HTML and/or…

Regex can be incredibly useful in JavaScript, especially when searching, matching, replacing or validating text. But there are some special characters in regular expressions. Characters such as ., , +, ?, ^, $, (, ), [, ], {, }, |, and \ can change how a pattern behaves. To match these characters exactly you must…

Introduction: How to Preserve Newlines, Tabs, and Whitespace in JavaScript Strings Strings in JavaScript can be composed of characters, not just alphanumeric. It can also contain newlines, tabs and spaces and other whitespace characters which can impact the appearance and handling of text. In copying texts, however, processing user’s input, or displaying text on a…