Not surprisingly, Javascript, with its origins in web programming, has one of the most robust regular expression (or, more colloquially, regex) libraries in use today, and recent developments in ...

is that you can define conditions in the regex to capture patterns. For this, you will use certain reserved characters that have special meanings. If you want to match an actual period ...

The site allows you to do a regex test, using JavaScript to instantly validate regular expressions. You can also put in a chunk of text to search and see live-updating results for any tweaks or ...