Nifty Interactive Regex Wrangler
Ranked in these QuestionsQuestion Ranking
Pro Progress Output
By default, display the file being searched.
Pro Optional multi-line support
Pro Color highlight matches
Pro Tab completion
The command-line for refining a search supports auto-completing based on the current output.
Pro Can refine the initial search
Initial search can be refined by typing in other terms (optionally exclude from results too).
Pro Optional regex or literal text searches
While regex is default, sometimes escaping is inconvenient, in these cases you can perform literal searches.