Whether to escape ( and ) in regex using GNU sed

Created Jun 17, 2011 Edited Jun 17, 2011

Viewed 28494

I've noticed several posts on this site which say that with gnu sed you should use ( and ) in regex rather than \( and \). But then I looked in the gnu sed manual and saw that they specify that \( and \) must be used. What's up?

gnu sed bash regex

Whether to escape ( and ) in regex using GNU sed

4 Answers