From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-il1-x130.google.com (mail-il1-x130.google.com [IPv6:2607:f8b0:4864:20::130]) by sourceware.org (Postfix) with ESMTPS id 5F66A385780B for ; Mon, 17 May 2021 13:42:13 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 5F66A385780B Received: by mail-il1-x130.google.com with SMTP id h6so6101173ila.7 for ; Mon, 17 May 2021 06:42:13 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=sdswM1+DQGEtOMu6U8en4veRj+8OpImywjmKHuVd/wQ=; b=ey6Em8w5NrU55Bdrz7qiRiKxy/PEa2R+E4SlDE7K2ig89YUdXN0zOoO0fJQVfIRTKU 3vj3g62goYEmzUzVSPdZ4jYh9BaUfOIBgnxp2VxaN9cXC/xdcq8l2662nwEYWpCkpzMp vS6DVa4w1DhEiQ8jPpgZYYlf73mgGqDEbX1/73euCcsVZeMUh5qVPefJqec5U0g/ls5G bUhJGejIsCBQ5KWck0dP//82kO9PV/HlQsVF1O3vOMDzR6YXryhgQ2yIBawhsc6aNtcJ IsSXXIAlFhXgCZaAeZ3IoQtEIAFJUy3POJhTmyZ8XMOqDsRiKnpyaEnk4f3gTI9dWJVr WRKA== X-Gm-Message-State: AOAM5304WOczgrL4Pr8SQ/ryILGm4MY6IMQPvRfEVJbAERxK9OqlGdc5 08lnHCitqPdGPrp4qlfuQKPLiuwCaxQdqNWpGMMPDhKOanc= X-Google-Smtp-Source: ABdhPJzaw2yFhtF06S2/fltpVK0W+vX9D12CpK7qrSj58DOYeNHrmYwVTqe6vXhHVRuaMzNhrmQkS3cQQix7to0mxfY= X-Received: by 2002:a05:6e02:1002:: with SMTP id n2mr50288485ilj.260.1621258932154; Mon, 17 May 2021 06:42:12 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a5e:d714:0:0:0:0:0 with HTTP; Mon, 17 May 2021 06:42:11 -0700 (PDT) From: Peng Yu Date: Mon, 17 May 2021 08:42:11 -0500 Message-ID: Subject: Does regex.h support lookahead? To: libc-help@sourceware.org Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-help@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-help mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 May 2021 13:42:20 -0000 Hi, It seems that regex.h does not support lookahead. Is it so? Thanks. -- Regards, Peng