SeqGrep is a simple program to search a sequence with a regular expression pattern, similar to the Unix grep utility. It can be used to find complex recognition sequences, such as McrBC's RC(N)40-3000RC by using this pattern: [GA]C.{40,3000}[GA]C
Pattern:      (syntax help)
DNA sequence:   (plain or FASTA format)

Contact: Tamas Vincze. New England Biolabs, Inc.