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Re: IDL input files. [message #54520]

Mon, 18 June 2007 17:27

Michael Galloy
Messages: 1114
Registered: April 2006

Senior Member

On Jun 18, 4:19 pm, ryans...@gmail.com wrote:
> On Jun 18, 3:23 pm, Paul van Delst <Paul.vanDe...@noaa.gov>
>> On a side note, I initially started using regular expressions with the STRSPLIT function
>> only to discover IDL seems to use a hamstrung version that doesn't understand stuff like
>> \s, \w, \n, etc. For the format you list, e.g.
>
>> Name = {Joe}
>> Department = {CS}
>> Age = {25}
>
>> regexps would be the go (IMO) - although I don't see any mention of how you would capture
>> certain parts of a match and not others (but I didn't look too hard :o)

I'm just catching this at the end, but I think this would be useful
for you:

IDL> results = stregex(line, '([[:alnum:]]*) = \{([[:alnum:]]*)\}', /
extract, /subexpr)
IDL> print, results[0]
Name = {Joe}
IDL> print,
results[1]
Name
IDL> print, results[2]
Joe

IDL regular expressions have character classes as well, but a
different notation than Perl, i.e. \s is [[:blank:]], \w is
[[:alnum:]], etc. See

http://www.ittvis.com/codebank/search.asp?FID=311

for a more detailed account.

Mike
--
www.michaelgalloy.com

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[Message index]

		Re: IDL input files. By: Michael Galloy on Mon, 18 June 2007 17:27
		Re: IDL input files. By: ryanselk on Mon, 18 June 2007 15:19
		Re: IDL input files. By: Paul Van Delst[1] on Mon, 18 June 2007 14:23
		Re: IDL input files. By: ryanselk on Mon, 18 June 2007 12:59
		Re: IDL input files. By: David Fanning on Mon, 18 June 2007 12:15
		Re: IDL input files. By: Paul Van Delst[1] on Mon, 18 June 2007 11:41
		Re: IDL input files. By: ryanselk on Mon, 18 June 2007 11:40
		Re: IDL input files. By: ryanselk on Mon, 18 June 2007 11:35
		Re: IDL input files. By: David Fanning on Mon, 18 June 2007 10:38

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