I figured I should document the Firefox extensions I use for my own purposes but also in case anyone is interested in a set of extensions geared towards web development geeks. Hover over a link for a description of what the extension does.
Aardvark 1.0
BlankLast 0.5.1
BlogJetThis! 0.4
BugMeNot 0.6.2
ChromEdit 0.1.1.1
ColorZilla 0.8.2
CookieCuller 1.2.0
Copy Plain Text 0.3.1
DictionarySearch 0.9.2
Disable Targets For Downloads 1.0
Download Manager Tweak 0.6.6
Enhanced History Manager 0.5.7.00
Extended Statusbar 1.0
fireFTP 0.88.3
FLST 0.8.3
Forecastfox 0.8
Gmail Notifier 0.4.3
Google Pagerank Status 0.9.3
History Menu 0.43
Linkification 0.9.20
ListZilla 0.5.1
MediaPlayerConnectivity 0.3.9
mozcc 1.1.0
Open Long Url 0.1.2
PDF Download 0.5
Plain Text Links 0.2
Popup ALT Attribute 1.3.2005042001
Regular Expression Find 0.2
Resize Search Box 0.0.6
SwiftTabs 0.3
Tab Mix 0.2
TargetAlert 0.8.7.2
View formatted source 0.9.3.4
View Rendered Source 0.9.9.6
ViewSourceWith 0.0.7.1
Web Developer 0.9.3
WebmailCompose 0.6.1
This list was creted with the ListZilla extension.
Does Regular Expression Find 0.2 work successfully for you? I've installed it and it doesn't seem to enable any regex capability to the find dialog. (I'm running Firefox 1.0.4 on Windows XP Pro SP 2.)