A regular expression (shortened as regex or regexp) is a sequence of characters that specifies a search pattern. RegEx patterns are widely used in programming for string-searching algorithms. In computing, a regular expression provides a concise and flexible means for "matching" (specifying and recognizing) strings of text, such as particular characters, words, or patterns of characters.

Echoes of the past, present and future.
Valhalla Delay is our take on classic and modern delay and echo units. Tape echo, BBD, old-school digital, pitch shifting – we've got you covered.