Vi is arguably the best text editing software in the world. There, I said it… deal with it! It should be noted that while many people continue to refer to Vi simply as such, Vim (Vi improved) has been the standard since around 1998. Vi? Old and busted. Vim? New hotness. Vi isn’t an editor […]
Using Regular Expressions on Cisco IOS
As a followup to my previous post on Regular Expression Basics, I wanted to give a few examples on using them on Cisco IOS. Obviously, with a topic as large as regular expressions, there are a limited number of examples I can give. You imagination and of course necessity are the best tools you have […]
Regular Expression Basics
Before I even get started, I want to mention that not all regular expression metacharacters are supported in every application. Keep this in mind when building your matches. Regular expressions are made up of normal characters and metacharacters. Normal characters include upper and lower case letters and numerals. The metacharacters have special meanings and can […]
