Regular Expression basics

Regular expressions are used for defining String patterns that can be used for searching, manipulating and editing a text.

A Web Service is a software application identified by a URI (Uniform Resource Identifier) whose interfaces and binding are capable of being defined, described and discovered by XML artifacts and [that] supports direct interactions with other software applications using XML based messages via Internet-based protocols (HTTP, HTTPS, SMTP).

Git basic commands

Git is a powerful system for distributed version control.