54

I want to use regular expressions to search a page in Firefox.

Is this possible?

  • 3
    Please change your accepted answer. The one you picked years ago is about an extension that isn't being developed anymore. – user33758 Jan 8 '16 at 1:20
16

Fastest Search

Best text search on page/in tabs - count/regex/match distribution/list/find-as-you-type. Fastest Instant web/history search in URLBar. Best custom search and multi-tab preview in any box or for selected text. Autocopy, dnd link/image.

  • 12
    I won't put -1, but to me, this addon is too much bloated... – Sarge Borsch Sep 22 '13 at 9:25
  • Couldn't make it work on Mac – Christian Vielma Feb 16 '16 at 12:04
  • 5
    No longer compatible. – Jacktose Aug 23 '18 at 23:26
  • 1
    Not available anymore – wjandrea Jul 17 at 16:47
11

Yet another option matching my needs very well is Regex Find which is open sourced. It's simple, though it may not be so polished.

Screenshot

  • 3
    I honestly prefer this way more to @Oleg's answer of Fastest Search. IMO it's super bloated and kinda confusing, I love the fact that Regex Find is integrated into the native Firefox search – Jeeter Jul 13 '16 at 19:57
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    Does currently not work with Firefox 50: github.com/mortalis13/Regex-Find/issues/6 – tlo Nov 26 '16 at 20:35
  • @tlo: some instructions in the about field on how to run it on current versions, if you like to live adverturously. – André Levy Jul 27 '18 at 0:16
  • 2
    Not available anymore – wjandrea Jul 17 at 16:47
11

Since the other alternatives offered here have been left in the dust of technological change, and rendered incompatible with latest versions, I'll drop the two current compatible addons I found (though I haven't tested them):

  • Regex Search
    Search in HTML or Highlight using Regular Expression (REGEX) and output the results using template, with saving profiles functionality, you need to know 'basic' Regular expression to benefit from this plugin
  • {find+}
    {find+} is a simple Find-in-Page extension hosting a the ability to search a web page or document by regular expression. It has been designed to look and behave much like the CTRL-F function, but extended to provide a feature-rich and robust user experience with the aim of completely replacing the native Find-in-Page tool.
  • Neither "Regex Search" nor "{find+}" give results for \p{IsCyrillic} on page full of text in Russian. – izogfif Jan 29 at 6:59
  • Upvote only for {find}+ since it acts as find but regex search doesnt highlight in the page. – Mark Aug 14 at 10:11
4

XUL/Migemo

This includes 3 features about the find toolbar. First, the dictionary-assisted find. Second, more customizable Find Toolbar. Third, the highlight feature like Safari 3.

  • 1
    Not available for FF6 yet ... – Peter Nore Aug 17 '11 at 19:37
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    How do you activate the regex search functionality with XUL/Migemo? – user48604 Sep 2 '11 at 14:19
  • 4
    It seems development on this plugin has stopped. The last updated date on the addon page is July 13, 2010. – Ashutosh Jindal Dec 17 '12 at 17:50
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    yeah shame, not available for latest versions of Firefox! any alternatives? – Charbel Mar 27 '14 at 9:23
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    @Charbel: There is a good chance that XUL/Migemo can still be forced to work. A quick google for "firefox add-on compatibility" got me this article, but there are many more useful results. – harrymc Mar 27 '14 at 11:51

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