Table of Contents Development ChefConf 2018 Patterns Tips C++ Ruby Regular Expressions Development ChefConf 2018 Habitat Jumpstart Patterns Gang of Four Tips Seven Habits of Highly Effective Programmers Use llvm/clang trunk with XCode 4.3 C++ The Rule of Three Ruby ruby Ruby SVN bindings for file status Ruby plugins bundled embedded Regular Expressions US Phone Number: /^1?[-. ]?([(]?\d\d\d[)]?[-. ]?)?\d\d\d[-. ]?\d\d\d\d\s*([eE]?[xX][tT]?\s*\d{1,4})?$/