The people who attended my presentations at RMOUG Training Days 2010 asked several good questions. One question that was asked in the Groovy presentation that I really wish I had included a slide on ...

Regular expressions are a common feature of computer languages, especially higher-level languages like Ruby, Perl, Python, and others, for doing fairly sophisticated text-pattern matching. Some ...

Every programmer can find uses for regular expressions, but their power doesn’t come worry-free. Even seasoned users often suffer from poor performance, false positives, false negatives, or perplexing ...

Imagine you are looking for a name in a telephone directory, but you can't remember its exact spelling. You can spend ages searching through all the possible combinations, unless you have a tool that ...

How do you find out if a user has entered a valid email address? Do you check for an at-sign, or is it more complicated? For many developers the answer is a regular expression, a little bit of code ...

Once you get the hang of regular expressions, you'll find them invaluable. The trick is to start small - I'll show you how. Quick: If you shout “regular expressions” in a crowd of Linux users, what ...

Data quality is one of the biggest challenges for many data warehouse and business intelligence (DW/BI) system managers. One common problem, especially with free-form entry data, is that the structure ...

I was just wondering what people think is the best C++ regular expressions library. I have seen three so far: the libary bundled with Boost, GRETA, and Zopyra. I'm not really looking for super general ...