comp.lang.idl-pvwave archive: archive

Home » Public Forums » archive » stregex question

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: stregex question [message #67469 is a reply to message #67222]

Tue, 21 July 2009 12:06

Vince Hradil
Messages: 574
Registered: December 1999

Senior Member

On Jul 21, 12:58 pm, wlandsman <wlands...@gmail.com> wrote:
> Mike,
>
>> IDL> pos = stregex(s, '([^e]e[^e])|(^e[^e])|(^e$)|([^e]e$)')
>> IDL> pos += strmid(s, pos, 1) ne 'e'
>
> Thanks for the quick reply. For my own reference when I go back to
> google this answer, the above code is testing 4 possibilities
>
> [^e]e[^e] - "e" surrounded by non-"e"
> (^e[^e]) - "e" at beginning of string followed by non-"e"
> (^e$) - Single character string with value "e"
> ([^e]e$) - - "e" at the end of the string preceded by a non-"e"
>
> In the first and last case (testing a preceding character) one needs
> to add 1 to the position found. --Wayne

Ouch! my head hurts...

Report message to a moderator

[Message index]

		stregex question By: wlandsman on Tue, 21 July 2009 09:37
		Re: stregex question By: Vince Hradil on Tue, 21 July 2009 12:06

Previous Topic:	Re: spherical harmonic representation
Next Topic:	IDL KML

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sat Oct 11 03:11:37 PDT 2025

Total time taken to generate the page: 0.95941 seconds