If I have a field that is valid if either it is blank or matches a regular expression (For example: \d{10}), how would I write a regular expression that would match any valid input?<BR><BR>(In other ...

Regular expressions come in handy for all varieties of text processing, but are often misunderstood--even by veteran developers. Here's a look at intermediate-level regular expressions and what they ...

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 ...