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Re: Regular expressions [message #22380 is a reply to message #15713]

Fri, 10 November 2000 00:00

Brian Jackel
Messages: 34
Registered: January 1998

Member

This has been around for a couple versions (since 5.3?)

"The STREGEX function performs regular expression matching against the
strings
contained in StringExpression. STREGEX can perform either a simple
boolean
True/False evaluation of whether a match occurred, or it can return the
position
and offset within the strings for each match. The regular expressions
accepted
by this routine, which correspond to "Posix Extended Regular
Expressions", are
similar to those used by such UNIX tools as egrep, lex, awk, and Perl."

Brian

James Tappin wrote:
>
> Does there exist a routine for regular expression matching in IDL?
>
> I'm thinking of something along the lines of an extended STR_SEP that could
> (say) separate a string into components separated by 0 or 1 commas and an
> arbitrary number of spaces.
>
> I could do it by spawning a perl script but that's not too pretty and I
> can't see an _easy_ way to do it natively.
>
> James
>
> --
> +------------------------+-------------------------------+-- -------+
> | James Tappin | School of Physics & Astronomy | O__ |
> | sjt@star.sr.bham.ac.uk | University of Birmingham | -- \/` |
> | Ph: 0121-414-6462. Fax: 0121-414-3722 | |
> +--------------------------------------------------------+-- -------+

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[Message index]

		regular expressions By: Michael Werger on Fri, 04 June 1999 00:00
		Re: Regular expressions By: Brian Jackel on Fri, 10 November 2000 00:00
		Re: Regular expressions By: Martin Schultz on Fri, 10 November 2000 00:00
		Re: Regular expressions By: Liam E. Gumley on Fri, 10 November 2000 00:00
		Re: Regular Expressions By: John-David T. Smith on Thu, 15 March 2001 16:09
		Re: Regular Expressions By: Wayne Landsman on Thu, 15 March 2001 19:24
		Re: Regular Expressions By: John-David T. Smith on Fri, 16 March 2001 09:20
		Re: Regular Expressions By: Pavel A. Romashkin on Mon, 19 March 2001 13:52
		Re: Regular Expressions By: Craig Markwardt on Tue, 20 March 2001 15:23
		Re: Regular Expressions By: John-David T. Smith on Tue, 20 March 2001 15:28
		Re: Regular Expressions By: Mark Hadfield on Tue, 20 March 2001 14:48
		Re: Regular Expressions By: Wayne Landsman on Tue, 20 March 2001 12:14
		Re: Regular Expressions By: Martin Schultz on Tue, 20 March 2001 04:39

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