=========
Core Java 8 Cookbooks and Examples
Relevant Articles:
- An Overview of Regular Expressions Performance in Java
 - A Guide To Java Regular Expressions API
 - Guide to Escaping Characters in Java RegExps
 - Pre-compile Regex Patterns Into Pattern Objects
 - Difference Between Java Matcher find() and matches()
 - How to Use Regular Expressions to Replace Tokens in Strings in Java
 - Regular Expressions \s and \s+ in Java
 - Validate Phone Numbers With Java Regex
 - How to Count the Number of Matches for a Regex?
 - Find All Numbers in a String in Java
 - Understanding the Pattern.quote Method