Java’s character and assorted string classes offer low-level support for pattern matching, but that support typically leads to complex code. For simpler and more efficient coding, Java offers the ...

I was involved in a recent discussion on the "best" way to remove a given parameter from a URL string. The conversation began with using string primitives to split and join the parameter, a method ...

All but the most casual Linux users no doubt have encountered regular expressions, if only in a cursory manner. Regular expressions are extremely powerful and flexible pattern-matching and -replacing ...

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 ...

What is regex: A sequence of characters defining a search pattern, used for finding, replacing, or validating text across programming languages and tools. Why it matters: Regex boosts efficiency by ...

I want to validate a string so that it only contains alphabetic characters, as well as the "-" (dash) character.<BR><BR>I know this has something to do with regular expressions but I haven't learned ...