grep - grep is a command-line utility for searching plain-text data sets for lines matching a regular...

HashtagWiki.com - Hashtag Generator Tool

PowerGREP - Quickly search through large numbers of files on your PC or network using powerful text patterns to find exactly the information you want. Search and replace with plain text or regular expressions to maintain web sites, source code, reports, ...

Hashtagify.me - Free hashtags search engine, with paid advanced analytics

dnGREP - dnGrep allows you to search across files with easy-to-read results.

HSHTG - Generate, manage, save and edit hashtags just in a few finger tap