Regular expressions are a powerful tool for examining and modifying text. They enable you to search for patterns within a string, extracting matches flexibly and precisely. This tutorial gives a brief overview of basic regular expression syntax and then considers the functions that PHP provides for working with regular expressions. More...
Client side form validation usually done with javascript. For the majority of your users, JavaScript form validation will save a lot of time up front. More...
In Access, the Switch function evaluates a list of expressions and returns a Variant value or an expression associated with the first expression in the list that is True. More...