Comments on: Evaluating Lisp Forms in Regular Expressions http://www.masteringemacs.org/articles/2013/01/25/evaluating-lisp-forms-regular-expressions/ a blog about mastering the world's best text editor Fri, 17 May 2013 21:26:20 +0000 hourly 1 By: Swapping with replace-regexp | Irreal http://www.masteringemacs.org/articles/2013/01/25/evaluating-lisp-forms-regular-expressions/#comment-21997 Swapping with replace-regexp | Irreal Thu, 31 Jan 2013 10:23:00 +0000 http://www.masteringemacs.org/?p=650#comment-21997 [...] Irreal readers have probably already seen Mickey’s post on Evaluating Lisp Forms in Regular Expressions, but he mentions one trick that is too good to miss so I’m going to repeat [...]

]]> By: mickey http://www.masteringemacs.org/articles/2013/01/25/evaluating-lisp-forms-regular-expressions/#comment-21447 mickey Mon, 28 Jan 2013 12:04:55 +0000 http://www.masteringemacs.org/?p=650#comment-21447 Neat! Good idea. It’s a bit like dropping into Recursive editing mode and doing it. Another useful idea might be to combine Emacs’s “skeletons” with this… hmm… you’ve given me some ideas! :)

]]> By: Sean http://www.masteringemacs.org/articles/2013/01/25/evaluating-lisp-forms-regular-expressions/#comment-20947 Sean Fri, 25 Jan 2013 19:56:33 +0000 http://www.masteringemacs.org/?p=650#comment-20947 One trick I stumbled across is that you can call read-from-minibuffer in a \,(…) construct to do interactive replacement. For example, using your Initech example, you could ask for the specific new salary for each employee, offering double the original salary as a default. Replace:

\(\(.*?\)\s-+\$\)\([0-9]+\)

…with:

\1\,(read-from-minibuffer (concat “New salary for ” \2 ” (was $” \3 “) : “) (number-to-string (* 2 \#3)))

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