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From Greg Marr <gr...@alum.wpi.edu>
Subject Re: PCRE and regex question...
Date Thu, 07 Jun 2001 21:01:16 GMT
At 04:17 PM 06/07/2001, Bill Stoddard wrote:
>Is there a quick way I can check a string to see if it is a regex or 
>not?  I am looking at extending SetEnvIf to accept a regex on the 
>'header' argument (value may already be a regex).

The absolute easiest would be to require that the regex start and end 
with a /.
SetEnvIf nonregexheader
SetEnvIf /regexheader/

You could also use a regex on it:
/^[-A-Za-z0-9_]*$/
This assumes that only letters, numbers, -, and _ are allowed in 
header names.

-- 
Greg Marr
gregm@alum.wpi.edu
"We thought you were dead."
"I was, but I'm better now." - Sheridan, "The Summoning"


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