How to remove all special characters from String in Apex

This post explains how to remove special characters from the string in Apex
Example:

String strText = 'Welcome - to! % $sale&sforce \\ /code # crack %';
strText = strText.replaceAll('[^a-zA-Z0-9\\s+]', '');
System.debug('strText ======> '+strText);

Result

Happy Learning!!!