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I want to find a text editor capable of running and mainly storing regular expressions for later re-use. It should also be able to run them across multiple files.

I know I can get all that with grep, but there is not much for re-use on it. I was able to get some regular expression functionality on Gedit with plugins, but not nearly close to my needs.

There is EditPad Pro for Windows (runs on wine) but native is always better :)

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5 Answers

up vote 15 down vote accepted

The two classic open source Unix editors are GNU emacs and (g)Vim and both work fine on Ubuntu. They both have more features than you can learn about in a lifetime, including what you're after. There are plenty of others two too, but you might as well start with the best. (I'll try not to get into which of these is better, since it's already an epic holy war.)

By the way, sed is probably a better alternative than grep for RegEx manipulations from the commandline, and you can write and save scripts for it. (Of course you can use perl, awk and python for reg ex too.)

Some inspiration from xkcd: http://imgs.xkcd.com/comics/real_programmers.png

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I hate to be that guy, but 'too', not 'two'. –  tj111 Aug 27 '10 at 13:46
    
D'oh! Sorry about the typo. Don't worry. I'm usually that guy. I had meant to mention that if you want to stick with gEdit, you could install its nice External Tools plugin and use that to run sed scripts on the buffer. –  frabjous Aug 27 '10 at 15:15
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Geany has a good set of find:

geany find

replace:

geany replace

and file searching:

geany grep

features. It doesn't have any inbuilt ability to save regular expressions for later although you could always store them in a text file.

It does have history for find/replace but this is limited to one session.

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+1 for geany, it's my editor of choice –  aperson Aug 29 '10 at 22:53
    
Much easier to just use Geany when you need a quick GUI editor with regex support, rather than having to dig through the internet and man pages to learn the syntax for regexes in vi(m) –  Alex Marshall Jan 7 at 17:06
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If you just want to run regex against a bunch of files, I think it's time for you to learn about sed and awk

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I wanted to add a comment pointing to this answer, but since apparently I don't have enough reputation for that, I'll duplicate it here as an answer of my own: RegExr is the best tool I've ever used for text manipulation using regular expressions. It will even explain each part of the regex for you!

It is an online tool, but there's a desktop version. This uses Adobe AIR, which has been discontinued for Linux, so you might need to install it following these excellent step-by-step instructions. After that, download the .air file for RexExr desktop page linked above, and you should be able to open it with the AIR installer. Then edit away!

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You can use a combination of GEdit and the plugin Advanced find / replace plugin for gedit that you can find in http://code.google.com/p/advanced-find/.

From 2012 it has the feature of bookmark an expression so you can reuse it. Also it can search and replace for opened files, for files in a folder (with a filter) or inside a text selection.

About how to install, you can follow the instructions in its wiki page http://code.google.com/p/advanced-find/wiki/Installation.

Basically what you must do is:

  1. Download the correct version for your gedit from http://code.google.com/p/advanced-find/downloads/list.

  2. Decompress it.

  3. Run install.sh (without sudo).

  4. Go to preferences / plug-in and activate it.

Screen capture of Advanced Find/Replace dialog opened

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