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Posted on 12 months ago by RobertSalmansRobertSalmans

Wireless security is not only a huge subject, but it’s also extremely important. Remember: Wireless signals are not contained to copper or fiber like a wired network — these signals leave your office and your building and travel a good distance.

Everyday Regular Expressions

Everyday Regular Expressions

Nearly every programmer or systems administrator will use regular expressions at some point in their career; whether it's as simple as changing a select bit of text in vim, or as advanced as validating detailed bits of information. While it's not uncommon to think of confusing hieroglyphics of characters when considering regular expressions, if you use Linux or do any programming, then you've probably already used them in many of your day-to-day tasks.For those looking for a more detailed look at regular expressions, we've recently released Mastering Regular Expressions, and to give you a taste of the course without giving you anything away, we're going to learn some basic regex and some basic Perl by building a simple CLI-based regex validator.

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