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Message: <blockquote data-quote="Ilium" data-source="post: 3552750" data-attributes="member: 40124">[SBLOCK]This invitation is for one of the three sessions in which we are offering the same upgrade.  Please only accept one of the invitations and decline the others.What are regular expressions?Simply, Regular Expressions are a language for describing patterns to match, and optionally replace.  They have been around since the dawn of mankind (or computer-kind at least), and are widely used.  They are somewhat cryptic however, and can be quite intimidating to new users.  This fact, combined with their's absence from early versions of Java, means there are a number of BizApps developers who have little or no exposure to Regular Expressions.  This is a shame.What are they used for?What aren't they used for!  It is difficult to come up with a list for so widely used a tool, but here's a quick list nonetheless:Transform or validate input Process a log file Search Source Massage data Generate code Validation Select from hashes based on key Extract/parse data based on pattern … and so much more! Who is this developer upgrade for?This class will start with the basics, and explain the syntax and use of Regular Expressions.  It will also touch on some more advanced topics, such as optimization.  The intended audience for this upgrade is anyone who has never used Regex, anyone who rarely uses regex and struggles to understand them, and anyone who hasn't used them in some time and could use a refresher.  This class would likely not be as valuable for anyone who has used Regex for a long time, although we would certianly appreciate their help if they would like to attend.[/SBLOCK]A description of a class that I'm scheduling for developers in my department.</blockquote>

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