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[2001:1900:3001:11::2c]) by mx.google.com with ESMTPS id qa10si9166792pdb.174.2014.08.11.08.31.24 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 11 Aug 2014 08:31:25 -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 589441A063F; Mon, 11 Aug 2014 08:31:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ietf.org; s=ietf1; t=1407771083; bh=nyAH8q3uyet+cLFKBUv21SO3Gzc/KPAE4F9mOvyDXZQ=; 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=rTokkzGJ8fqFdg0GA16oe9Wj06elm7iTKDT1psp8P/w/SM9jepAiHu5AmOpbhssMl PvCMlP4nGcgolMVAD38Jhu6N74NcgLKZPmFsXERfyPh6iPu2NBpT/FrAOhqjARd+Mv zt+LFrdECsGLysOwWSQrvOOXFT3RdES3Sk88iCCc= 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 7DC181A05C0 for ; Mon, 11 Aug 2014 08:31:21 -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 JHluB7rK0Rbz for ; Mon, 11 Aug 2014 08:31:20 -0700 (PDT) Received: from qmta05.westchester.pa.mail.comcast.net (qmta05.westchester.pa.mail.comcast.net [IPv6:2001:558:fe14:43:76:96:62:48]) by ietfa.amsl.com (Postfix) with ESMTP id 929F61A063C for ; Mon, 11 Aug 2014 08:31:20 -0700 (PDT) Received: from omta24.westchester.pa.mail.comcast.net ([76.96.62.76]) by qmta05.westchester.pa.mail.comcast.net with comcast id dRNh1o0041ei1Bg55TXLtX; Mon, 11 Aug 2014 15:31:20 +0000 Received: from Paul-Kyzivats-MacBook-Pro.local ([50.138.229.164]) by omta24.westchester.pa.mail.comcast.net with comcast id dTXK1o00Z3ZTu2S3kTXK5z; Mon, 11 Aug 2014 15:31:20 +0000 Message-ID: <53E8E1C7.3050807@alum.mit.edu> Date: Mon, 11 Aug 2014 11:31:19 -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> In-Reply-To: <7594FB04B1934943A5C02806D1A2204B1D3E5BBC@ESESSMB209.ericsson.se> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20140121; t=1407771080; bh=RMqaJqykK75kKhjSmY5wj+v+sf8y1LQhWAPtMXxbuyc=; h=Received:Received:Message-ID:Date:From:MIME-Version:To:Subject: Content-Type; b=UFsSoA/8x9nGmT6LtZPCGEA1TCX2XpG0ipfNB94HWDR91kLTtm5/FKhVEpayXxO9A r/vlDg5EhiXM+jhLMLqqh5EttkyCqDRFPv9u/Nqmry9nPIlKQKenX6mViBhpdZ8iGL e5TRrr1lnCBNITFpj16rFj/PT6QDx6ZZPwvLd95oDWxQLWe7nGblFL3F5PkIgOgRE4 WWDHfWAye+eJEnHJnhUweI/pziIdgbA7Wy1lIppNKWd9BKWmtrsDKbfw1CrakKaVPD JrNmptf9p5QetoVP5IqdtizsuXI07Z+uKR138PaAQ6ZXc+AHSYsjCnR1kEOvvC0tIe UC9lmoWJaHDxQ== Archived-At: http://mailarchive.ietf.org/arch/msg/abnf-discuss/o4O1_guYl77Jj6Wn3PDInPZTNq4 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 5:45 AM, 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. 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. Thanks, Paul _______________________________________________ abnf-discuss mailing list abnf-discuss@ietf.org https://www.ietf.org/mailman/listinfo/abnf-discuss