X-Mozilla-Status: 0001 X-Mozilla-Status2: 00000000 Delivered-To: barryleiba.mailing.lists@gmail.com Received: by 10.107.163.148 with SMTP id m142csp303374ioe; Mon, 11 Aug 2014 12:42:29 -0700 (PDT) X-Received: by 10.66.129.139 with SMTP id nw11mr6129239pab.16.1407786149112; Mon, 11 Aug 2014 12:42:29 -0700 (PDT) Return-Path: Received: from mail.ietf.org (mail.ietf.org. [2001:1900:3001:11::2c]) by mx.google.com with ESMTPS id tv5si14177569pac.218.2014.08.11.12.42.28 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 11 Aug 2014 12:42:29 -0700 (PDT) Received-SPF: pass (google.com: domain of abnf-discuss-bounces@ietf.org designates 2001:1900:3001:11::2c as permitted sender) client-ip=2001:1900:3001:11::2c; Authentication-Results: mx.google.com; spf=pass (google.com: domain of abnf-discuss-bounces@ietf.org designates 2001:1900:3001:11::2c as permitted sender) smtp.mail=abnf-discuss-bounces@ietf.org; dkim=pass header.i=@ietf.org Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 153A21A064A; Mon, 11 Aug 2014 12:42:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ietf.org; s=ietf1; t=1407786148; bh=PT1PWZEVJylcLKZiKjPIzjPT5dWZ1A/4VNdvjNKxkAY=; h=Message-ID:Date:From:MIME-Version:To:References:In-Reply-To: Subject:List-Id:List-Unsubscribe:List-Archive:List-Post:List-Help: List-Subscribe:Content-Transfer-Encoding:Content-Type:Sender; b=W3wQleN7qBc9qikybqZV8/PLlGGOdLGodICHI5HDMbV2+DGDBL9IEjX5Yb6Wz6VKI smMXq/PxlyN4efBXxbJUPd6wNqq81/+1W6FqGLQmBBhFjfU37DUtHeI2tNbx7kOS6y UXq4g2i3CPNHNJC2faQ7tjLLA0mXFtqpHwKAuVb0= X-Original-To: abnf-discuss@ietfa.amsl.com Delivered-To: abnf-discuss@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BC48F1A064A for ; Mon, 11 Aug 2014 12:42:25 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.235 X-Spam-Level: X-Spam-Status: No, score=-1.235 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, SPF_SOFTFAIL=0.665] autolearn=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ylIb1sYQL3uB for ; Mon, 11 Aug 2014 12:42:25 -0700 (PDT) Received: from qmta07.westchester.pa.mail.comcast.net (qmta07.westchester.pa.mail.comcast.net [IPv6:2001:558:fe14:43:76:96:62:64]) by ietfa.amsl.com (Postfix) with ESMTP id E703F1A0457 for ; Mon, 11 Aug 2014 12:42:24 -0700 (PDT) Received: from omta01.westchester.pa.mail.comcast.net ([76.96.62.11]) by qmta07.westchester.pa.mail.comcast.net with comcast id dUwZ1o0090EZKEL57XiQvU; Mon, 11 Aug 2014 19:42:24 +0000 Received: from Paul-Kyzivats-MacBook-Pro.local ([50.138.229.164]) by omta01.westchester.pa.mail.comcast.net with comcast id dXiQ1o0043ZTu2S3MXiQA7; Mon, 11 Aug 2014 19:42:24 +0000 Message-ID: <53E91C9F.6020202@alum.mit.edu> Date: Mon, 11 Aug 2014 15:42:23 -0400 From: Paul Kyzivat User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Christer Holmberg , "abnf-discuss@ietf.org" References: <53E3B22E.5000708@alum.mit.edu> <7594FB04B1934943A5C02806D1A2204B1D3E5BBC@ESESSMB209.ericsson.se> <53E8E1C7.3050807@alum.mit.edu> <7594FB04B1934943A5C02806D1A2204B1D3E6201@ESESSMB209.ericsson.se> In-Reply-To: <7594FB04B1934943A5C02806D1A2204B1D3E6201@ESESSMB209.ericsson.se> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20140121; t=1407786144; bh=xBR3OvZRnZVWP0+h9z20G8xfH4g/yTMYvjHAep5RtzE=; h=Received:Received:Message-ID:Date:From:MIME-Version:To:Subject: Content-Type; b=ofX3wcial0ZcCkiMe53YEnj8/+AYS5FRy8S8CYjq8/acXRaNTdkBqrTWdwCSIY+9r b+hNphdzouJCCu008KnjEh4DHax9OP3048shALXpHXT07i0jLl5v2T0hRbU5HgrOEY EYbxoEYB56Rj80CLQAobPoCpYiZKmyCC0kpssTK8qdDk2tSF8kIdYKRkVAbSmv0STx 0yXvL9ARKPBb4ELCmsPL6AlT/JQeVVysE90moogk+xTjEOxJKRFwyzXUq7eeyv3YEG rfHB+jeoC41PZeYrp3JN23TYNKPFNsgtWjHwHnNDE0S68RquGTa43vZmb6rT/BvwNs f22hsFimqo2dw== Archived-At: http://mailarchive.ietf.org/arch/msg/abnf-discuss/CWOCLz6ImPGi3G-09AtZvaQFbNA Subject: Re: [abnf-discuss] Case-sensitive string constants in ABNF X-BeenThere: abnf-discuss@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "General discussion about tools, activities and capabilities involving the ABNF meta-language" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: abnf-discuss-bounces@ietf.org Sender: "abnf-discuss" On 8/11/14 12:26 PM, Christer Holmberg wrote: > > Hi, > >>>> If no prefix is present then the string is case-insensitive. >>>> >>>> Hence: >>>> >>>> rulename = %i"abc" >>>> >>>> and: >>>> >>>> rulename = "aBc" >>>> >>>> will both match "abc", "Abc", "aBc", "abC", "ABc", "aBC", "AbC", >>>> and "ABC". >>> >>> Does that mean that, instead of: >>> >>> mystringrule = [a-zA-Z] >>> >>> ...I could use: >>> >>> mystringrule = %i[a-z] >>> >>> >> No. >> >> I presume that what you wrote above is using regular expression syntax. > > Sorry, my mistake. See below for correction. > >> That isn't supported by ABNF, and what I am proposing doesn't change that. In ABNF you can only >indicate character ranges using numeric representation. So your first rule would need to be written >as: >> >> mystringrule = %x61-7A / %x41-5A >> >> There isn't any way to write that using string literals. > > Correct. > > So, my question then is whether I could use: > > mystringrule = %i(%x61-7A) I certainly didn't have that in mind. Syntactically it doesn't work, %i is a syntactic prefix to a quoted string. What you are showing is a freestanding element - some sort of operator. Thanks, Paul _______________________________________________ abnf-discuss mailing list abnf-discuss@ietf.org https://www.ietf.org/mailman/listinfo/abnf-discuss