From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HTML_MESSAGE,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 10821 invoked from network); 1 Aug 2020 14:04:30 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 1 Aug 2020 14:04:30 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 85BA99C9FB; Sun, 2 Aug 2020 00:04:27 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id BAE1E9C9E3; Sun, 2 Aug 2020 00:03:55 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="key not found in DNS" (0-bit key; unprotected) header.d=humeweb.com header.i=@humeweb.com header.b="UyQ3olN8"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id E4B519C9E3; Sun, 2 Aug 2020 00:03:52 +1000 (AEST) X-Greylist: delayed 1218 seconds by postgrey-1.36 at minnie.tuhs.org; Sun, 02 Aug 2020 00:03:52 AEST Received: from gateway1.unifiedlayer.com (gateway1.unifiedlayer.com [74.220.203.94]) by minnie.tuhs.org (Postfix) with ESMTPS id 5936593DFC for ; Sun, 2 Aug 2020 00:03:52 +1000 (AEST) Received: from cm6.websitewelcome.com (unknown [108.167.139.19]) by gateway1.unifiedlayer.com (Postfix) with ESMTP id 9FCFB2007A025 for ; Sat, 1 Aug 2020 08:43:33 -0500 (CDT) Received: from dallas136.arvixeshared.com ([23.91.70.4]) by cmsmtp with ESMTP id 1rnRk887m7Mgv1rnRkW450; Sat, 01 Aug 2020 08:43:33 -0500 X-Authority-Reason: nr=8 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=humeweb.com ; s=default; h=References:To:Cc:In-Reply-To:Date:Subject:Mime-Version: Content-Type:Message-Id:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=zzWywB+C18uye0gX39czJgryGG1O9vJsco8a7FKJsWA=; b=UyQ3olN8PIS0grgFc0LMyxj+ER VGvfK4znTKR/1K5L/XnFW0EEh1EH6xhX44ZtTAIFwLJPIwvmoW326iQ+3FXogEWGz/ALT4mZj4Axb XXeqbklkSf4N/ZpTZ4l/kT45smcbRijF8jAwSbdm992xH4IGsi6mklu31LEBDWSU5/jg=; Received: from 99-98-248-85.lightspeed.irvnca.sbcglobal.net ([99.98.248.85]:63727 helo=[192.168.2.77]) by dallas136.arvixeshared.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91) (envelope-from ) id 1k1rnR-003Baa-Bo; Sat, 01 Aug 2020 08:43:33 -0500 From: Andrew Hume Message-Id: <7A255575-3989-4869-88F8-762EA1875086@humeweb.com> Content-Type: multipart/alternative; boundary="Apple-Mail=_74ED514C-06BE-4BFB-9DDD-157B28A0DEA3" Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) Date: Sat, 1 Aug 2020 06:43:32 -0700 In-Reply-To: To: Richard Salz References: <6e9ca056-dfb0-376d-effd-e41c9ed3ef2a@gmail.com> <88FBBEDA-3D60-4782-9C4B-43C64691BC35@humeweb.com> X-Mailer: Apple Mail (2.3608.80.23.2.2) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - dallas136.arvixeshared.com X-AntiAbuse: Original Domain - minnie.tuhs.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - humeweb.com X-BWhitelist: no X-Source-IP: 99.98.248.85 X-Source-L: No X-Exim-ID: 1k1rnR-003Baa-Bo X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 99-98-248-85.lightspeed.irvnca.sbcglobal.net ([192.168.2.77]) [99.98.248.85]:63727 X-Source-Auth: andrew@humeweb.com X-Email-Count: 1 X-Source-Cap: YWh1bWU7YWh1bWU7ZGFsbGFzMTM2LmFydml4ZXNoYXJlZC5jb20= X-Local-Domain: yes Subject: Re: [TUHS] Regular Expressions X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: TUHS main list Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --Apple-Mail=_74ED514C-06BE-4BFB-9DDD-157B28A0DEA3 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii i apologise. i was in fact referring to the qaddafi torture test (another victim of = my stroke). thanks to rich for catching that slip. > On Aug 1, 2020, at 6:31 AM, Richard Salz wrote: >=20 >=20 > during the mid 80s, i was preparing one of the first invited talks for = USENIX on the subject of regular expressions. > i had concocted a massive RE that matched all the known spellings of = saddam hussein. (it was complicated, >=20 > I wonder if that was the inspiration for the Qaddafi torture test; see = http://sources.vsta.org/comp.sources.unix/volume9/fastgrep/part01 = = (June 87) >=20 > The first time I saw "p[-1]" was looking at some regexp source. It = blew/expanded my mind. --Apple-Mail=_74ED514C-06BE-4BFB-9DDD-157B28A0DEA3 Content-Transfer-Encoding: 7bit Content-Type: text/html; charset=us-ascii i apologise.

i was in fact referring to the qaddafi torture test (another victim of my stroke).
thanks to rich for catching that slip.

On Aug 1, 2020, at 6:31 AM, Richard Salz <rich.salz@gmail.com> wrote:


during the mid 80s, i was preparing one of the first invited talks for USENIX on the subject of regular expressions.
i had concocted a massive RE that matched all the known spellings of saddam hussein. (it was complicated,

I wonder if that was the inspiration for the Qaddafi torture test; see http://sources.vsta.org/comp.sources.unix/volume9/fastgrep/part01 (June 87)

The first time I saw "p[-1]" was looking at some regexp source.  It blew/expanded my mind.

--Apple-Mail=_74ED514C-06BE-4BFB-9DDD-157B28A0DEA3--