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Remove All Special Characters Using JavaScript Source Code

In this tutorial we will create a Remove All Special Characters using JavaScript. This code will dynamically remove a special character from a string when user click the button. The code use onclick() to call a function that will remove a special character from a string with the use of dot notation replace() with a RegExp pattern. You can apply this script to your code to make your transaction faster, it is a user-friendly program feel free to modify it.

We will use JavaScript to add some new feature to the website interface by actually written into an HTML page. It is what gives your page a different interactive elements and animation that engage a user.

Getting Started:

This is the link for the bootstrap that i used for the layout design

The Main Interface

This code contains the interface of the application. To create this just write these block of code inside the text editor and save this as index.html.

  1. <!doctype html>
  2. <html lang="en">
  3. <head>
  4. <meta charset="UTF-8" name="viewport" content="width=device-width, initial-scale=1"/>
  5. <link rel="stylesheet" type="text/css" href="css/bootstrap.css"/>
  6. </head>
  7. <nav class="navbar navbar-default">
  8. <div class="container-fluid">
  9. <a class="navbar-brand" href="">Sourcecodester</a>
  10. </div>
  11. </nav>
  12. <div class="col-md-3"></div>
  13. <div class="col-md-6 well">
  14. <h3 class="text-primary">Remove All Special Characters Using JavaScript Source Code</h3>
  15. <hr style="border-top:1px dotted #ccc;"/>
  16. <button type="button" class="btn btn-primary" onclick="removeChar()">Click to remove special characters</button>
  17. <br /><br>
  18. <div class="col-md-8">
  19. <h4>String With Special Characters</h4>
  20. <div style="background-color:#fff; border:1px solid #ccc; padding:10px;">
  21. <p id="result"></p>
  22. </div>
  23. </div>
  24. </div>
  26. <script src="js/script.js"></script>
  27. </body>
  28. </html>

Creating the Script

This code contains the script of the application. This code will remove a special character when the button is clicked. To do this just copy and write these block of codes as shown below inside the text editor and save it as script.js inside the js directory

  1. var text = "Wh#[email protected]$!v$$!er I^ s&%me$#ll s$tro&ng t$o$b#[email protected]$co s$mo^k$e w#[email protected] I#'m i#n a$n en%clos^ed ^spa#c$e su$c% a&s a$ ro^om, t^ra&in, o*r air$craft, I beg$in [email protected] g#e$t a%ng&ry. Th&er#e a#re% [email protected]#e%ral [email protected]$o%ns.";
  3. function removeChar(){
  5. var str = text.replace(/[&\/\\#,+()$~%@^'"!:*?<>{}]/g, '');
  7. document.getElementById('result').innerHTML = str;
  9. }
  12. document.getElementById('result').innerHTML = text;

There you have it we successfully created a Remove All Special Characters using JavaScript. I hope that this simple tutorial help you to what you are looking for. For more updates and tutorials just kindly visit this site. Enjoy Coding!

Note: Due to the size or complexity of this submission, the author has submitted it as a .zip file to shorten your download time. After downloading it, you will need a program like Winzip to decompress it.

Virus note: All files are scanned once-a-day by for viruses, but new viruses come out every day, so no prevention program can catch 100% of them.


1. Re-scan downloaded files using your personal virus checker before using it.
2. NEVER, EVER run compiled files (.exe's, .ocx's, .dll's etc.)--only run source code.

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