PyWart: Python regular expression syntax is not intuitive.

Terry Reedy tjreedy at
Wed Jan 25 15:33:53 EST 2012

On 1/25/2012 12:16 PM, Rick Johnson wrote:
> (?...)  # Base Extension Syntax
> All extensions are wrapped in parenthesis and start with a question
> mark, but i believe the question mark was a very bad choice, since the

I think that syntax came either from Perl or the pcre library used by 
several open source programs, including several Python versions.
has  some info on this.

Terry Jan Reedy

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