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Re: repeating patterns

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To: Michael Montague <mikemon@xxxxxxxxx>
Subject: Re: repeating patterns
From: Alex Shinn <alexshinn@xxxxxxxxx>
Date: Thu, 17 Oct 2013 17:43:40 +0900
Cc: SRFI-115 discussion list <srfi-115@xxxxxxxxxxxxxxxxx>
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On Thu, Oct 17, 2013 at 3:25 AM, Michael Montague <mikemon@xxxxxxxxx> wrote:

Why are there not text versions of the repeating patterns? Sequencing is seq or :. Should there be zero-or-once for ? and so on.

Historical reasons. I'm presuming the original motivation

for seq was because : didn't exist in existing PCRE notation,

whereas *, +, ? etc. are already familiar.

I see no reason not to add readable variants of these though.

Alex

References:
- repeating patterns
  - From: Michael Montague

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