* how would you debug complex regexp searches?? @ 2003-09-21 1:08 gmayer 2003-09-21 0:58 ` Jesper Harder 2003-09-22 14:02 ` Gareth Rees 0 siblings, 2 replies; 4+ messages in thread From: gmayer @ 2003-09-21 1:08 UTC (permalink / raw) Hello: How would one go about debugging complicated regular expressions? Is there some way of single-stepping through a regexp matching, so that I can see all the characters that were matched? Thanks, Mayer ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: how would you debug complex regexp searches?? 2003-09-21 1:08 how would you debug complex regexp searches?? gmayer @ 2003-09-21 0:58 ` Jesper Harder 2003-09-21 14:29 ` Pascal Bourguignon 2003-09-22 14:02 ` Gareth Rees 1 sibling, 1 reply; 4+ messages in thread From: Jesper Harder @ 2003-09-21 0:58 UTC (permalink / raw) gmayer@cs.bgu.ac.il writes: > How would one go about debugging complicated regular expressions? Is > there some way of single-stepping through a regexp matching, so that > I can see all the characters that were matched? 're-builder' is quite handy for writing and debugging regexps. It's bundled with recent versions Emacs -- read the Commentary section of re-builder.el to learn how to use it. ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: how would you debug complex regexp searches?? 2003-09-21 0:58 ` Jesper Harder @ 2003-09-21 14:29 ` Pascal Bourguignon 0 siblings, 0 replies; 4+ messages in thread From: Pascal Bourguignon @ 2003-09-21 14:29 UTC (permalink / raw) Jesper Harder <harder@myrealbox.com> writes: > gmayer@cs.bgu.ac.il writes: > > > How would one go about debugging complicated regular expressions? Is > > there some way of single-stepping through a regexp matching, so that > > I can see all the characters that were matched? > > 're-builder' is quite handy for writing and debugging regexps. > > It's bundled with recent versions Emacs -- read the Commentary section > of re-builder.el to learn how to use it. Check you antislashes! -- __Pascal_Bourguignon__ http://www.informatimago.com/ Do not adjust your mind, there is a fault in reality. ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: how would you debug complex regexp searches?? 2003-09-21 1:08 how would you debug complex regexp searches?? gmayer 2003-09-21 0:58 ` Jesper Harder @ 2003-09-22 14:02 ` Gareth Rees 1 sibling, 0 replies; 4+ messages in thread From: Gareth Rees @ 2003-09-22 14:02 UTC (permalink / raw) Mayer wrote: > How would one go about debugging complicated regular expressions? Is > there some way of single-stepping through a regexp matching, so that I > can see all the characters that were matched? I find `isearch-forward-regexp' (bound to `C-M-s' by default) very useful when debugging regexps: you can see interactively what each bit of the regexp matches. -- Gareth Rees ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2003-09-22 14:02 UTC | newest] Thread overview: 4+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2003-09-21 1:08 how would you debug complex regexp searches?? gmayer 2003-09-21 0:58 ` Jesper Harder 2003-09-21 14:29 ` Pascal Bourguignon 2003-09-22 14:02 ` Gareth Rees
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