These are the formal rules for forming basic UNIX regular expressions. For some simple examples, skip to Simple Examples. The rules come from the Solaris 7 regexp(5) manual page. The I2A2 reflector ...

Tony Northrup is a developer, security consultant and author with more than 10 years of professional experience developing applications for Microsoft Windows. Developers frequently need to process ...

Vincent Danen goes over some basic regular expressions. They are handy for developers and programmers, of course, and can even be employed for Google searching. As a Linux user or administrator, the ...

Teachers should fundamentally be guaranteed at least the basic expression of opinions, such as commenting on social media or ...

Regular expressions are seriously powerful tools, but most folks without serious IT experience aren't familiar with them. A helpful blog post details eight useful expressions and how they work. If you ...

Human beings are emotional creatures whose state of mind can usually be observed through their facial expressions. A commonly-held belief posits there are six basic emotions which are universally ...

The facial expression indicating disagreement is universal, researchers say. A furrowed brow, lifted chin and pressed-together lips -- a mix of anger, disgust and contempt -- are used to show negative ...

If you were to travel anywhere in the globe -- even to visit remote tribes who have scant contact with the larger world -- would people be able to read your emotions from your facial expressions ...