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Mon, 02 Jun 2025 14:25:27 -0700 (PDT) MIME-Version: 1.0 From: DANIL10RUS Date: Tue, 3 Jun 2025 00:25:16 +0300 X-Gm-Features: AX0GCFvs5YaUdgyB1TGkN63vvt3DHvhPhSuOxQC4xbIVzrIO7eVnOw1BaL0K9cc Message-ID: Subject: RegEx error To: bug-grep@gnu.org Content-Type: multipart/related; boundary="0000000000001bf88006369d6737" Received-SPF: pass client-ip=2a00:1450:4864:20::22e; envelope-from=danilleontevkek2akk@gmail.com; helo=mail-lj1-x22e.google.com X-Spam_score_int: -1 X-Spam_score: -0.2 X-Spam_bar: / X-Spam_report: (-0.2 / 5.0 requ) BAYES_20=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: 1.0 (+) X-Debbugs-Envelope-To: submit X-Mailman-Approved-At: Tue, 03 Jun 2025 00:00:37 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.0 (/) --0000000000001bf88006369d6737 Content-Type: multipart/alternative; boundary="0000000000001bf87e06369d6736" --0000000000001bf87e06369d6736 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable danil@archlinux ~/minecraft_server> ls purpur-*.jar | grep -i "[^a-z\-\.]" purpur-2416.jar danil@archlinux ~/minecraft_server> ls purpur-*.jar | grep -i "[^a-z\.\-]" purpur-2416.jar [image: =D0=B8=D0=B7=D0=BE=D0=B1=D1=80=D0=B0=D0=B6=D0=B5=D0=BD=D0=B8=D0=B5.= png] Hello, encountered a RegEx error. For some reason grep doesn't recognize the =E2=80=9C-=E2=80=9D in \-\. but if we do \.\- it will work. Why is that= ? --0000000000001bf87e06369d6736 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
danil@archlinux ~/minecraft_server> l= s purpur-*.jar | grep -i "[^a-z\-\.]"
purpur-2416.jar
danil@archlinux ~/minecraft_server> l= s purpur-*.jar | grep -i "[^a-z\.\-]"
purpur-2416.jar
3D"=D0=B8=D0=B7=D0=BE=D0=B1=D1=80=D0=B0=D0=B6=D0=
Hello, encounte= red a RegEx error. For some reason grep doesn't recognize the =E2=80=9C= -=E2=80=9D in \-\. but if we do \.\- it will work. Why is that?
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02:51:46 +0000 Received: from hobgoblin.ariadne.com (localhost [127.0.0.1]) by hobgoblin.ariadne.com (8.16.1/8.16.1) with ESMTPS id 5542piPW105871 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Tue, 3 Jun 2025 22:51:44 -0400 Received: (from worley@localhost) by hobgoblin.ariadne.com (8.16.1/8.16.1/Submit) id 5542piEY105868; Tue, 3 Jun 2025 22:51:44 -0400 X-Authentication-Warning: hobgoblin.ariadne.com: worley set sender to Dale.Worley@comcast.net using -f From: "Dale R. Worley" To: DANIL10RUS Subject: Re: bug#78677: RegEx error In-Reply-To: (danilleontevkek2akk@gmail.com) Date: Tue, 03 Jun 2025 22:51:44 -0400 Message-ID: <87o6v4gqwv.fsf@hobgoblin.ariadne.com> X-CMAE-Envelope: MS4xfPysKD7gXmSL3vpc7bDqiY82E1nEtrup40tCxDw55VLepM6OSg9GkxLNZ8bRTjFrms0BJZDgZrOL6UGXDayYfBmhVx7w8S6h1ARxrMM4EnzDuyLLL0VE OaHnsX6uG+aO9NkT4tWnR8eZaNPQaZzfWR3tasZxCK70VFye770fE88VcEhUEpeG0So/X0+MJTkkepy5YxsrYQXKDjqD1RfPKhfDfu6HXxd29gbExUS6jjUq IuzXBOZTlrBJux8g3C/83eGwQ2LLgEwNIscVnL6ey8E= X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 78677 Cc: 78677@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) DANIL10RUS writes: > danil@archlinux ~/minecraft_server> ls purpur-*.jar | grep -i "[^a-z\-\.]" > purpur-2416.jar > danil@archlinux ~/minecraft_server> ls purpur-*.jar | grep -i "[^a-z\.\-]" > purpur-2416.jar > Hello, encountered a RegEx error. For some reason grep doesn't recognize > the “-” in \-\. but if we do \.\- it will work. Why is that? Remember that within [...], backslash is not special but - is. So in [^a-z\-\.] The class specifies (1) the range from a to z, (2) the range from / to /, (3) the character .. Actually, it specifies the *complement* of that set, so grep will give you any lines that contain a character that is not in that set. What is it you are trying to accomplish? Dale