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Learn how to properly escape the `$` symbol in Visual Studio Code snippets so it remains in your output.
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This video is based on the question https://stackoverflow.com/q/65533641/ asked by the user 'BetaDv' ( https://stackoverflow.com/u/14924268/ ) and on the answer https://stackoverflow.com/a/65533674/ provided by the user 'Mark Skelton' ( https://stackoverflow.com/u/5641674/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Solve the $ Symbol Removal Issue in Visual Studio Code Snippets

If you're using Visual Studio Code (VSCode) for coding and have stumbled upon the problem of the $ symbol disappearing from your snippets, you're not alone. Many developers encounter this issue where the dollar sign, a significant character in many programming contexts, is stripped away when the snippet is expanded. This post discusses why this happens and how you can fix it effectively.

The Problem: $ Symbol Gets Removed

What’s Happening?

When you create snippets in VSCode and include the $ symbol, you might find that this character doesn't appear in the final output. For instance, if you write a snippet like:

[[See Video to Reveal this Text or Code Snippet]]

You expect the $ to be part of the output, but instead, it gets removed when you use the snippet. This can lead to confusion, as the code you are trying to write does not render correctly or function as intended.

Why Does This Happen?

The dollar sign ($) has special meaning in snippets, often denoting variables or placeholders. Therefore, when defining snippets, VSCode interprets it as an instruction rather than a literal character. Consequently, the output does not include the dollar sign, causing unexpected results in your code.

The Solution: Escaping the $ Symbol

The good news is that there is an effective way to keep the dollar sign in your snippet output. You will need to escape the dollar sign using a specific syntax. Here’s how you can do this step-by-step:

Step 1: Modify Your Snippet JSON

Instead of using a single backslash before the dollar symbol, you need to use two backslashes. This tells VSCode to treat the dollar sign as a regular character rather than a command or variable. Here’s the format you need to follow:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Add Your Snippet to Your Snippet File

Open your snippet file by navigating to File > Preferences > User Snippets.

Choose the language for which you want to create the snippet, or select New Global Snippets file to create a snippet applicable for all languages.

Insert the modified snippet using the two backslashes as shown above.

Step 3: Use Your Snippet

Once your snippet is saved, you can use it in your coding environment by typing the prefix you defined. For example, typing title-test and pressing Tab (or your designated snippet expansion key) will include the output with the dollar sign correctly, like this:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By escaping the dollar sign with two backslashes in your VSCode snippet JSON, you can resolve the issue of it being removed upon snippet expansion. This little tweak allows you to maintain the integrity of your code and keep the $ symbol where it belongs, ensuring that your snippets work precisely as you want them to.

Now that you know how to handle the $ symbol in your snippets, you can confidently create more complex and functional code templates in Visual Studio Code without any frustrations.

Happy coding!