Regular Expression (RegEx)

A regular expression (usually called regex or regexp) are a sequence of characters which help you search in text (strings). Various systems use Regex for field validation, find or find&replace operations in text (strings). Regex is common in computer science. See Wikipedia Regex for more details.

Regex is used in Picturepark Business Rules or field format validations. Regex is best suited when you have a proper file naming convention in place.