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    <head>
      <base href="http://llvm.org/bugs/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - regex match_not_eol doesn't work correctly"
   href="http://llvm.org/bugs/show_bug.cgi?id=22651">22651</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>regex match_not_eol doesn't work correctly
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>libc++
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Windows NT
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>All Bugs
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedclangbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>jvp4846@g.rit.edu
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvmbugs@cs.uiuc.edu, mclow.lists@gmail.com
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=13920" name="attach_13920" title="Sample program">attachment 13920</a> <a href="attachment.cgi?id=13920&action=edit" title="Sample program">[details]</a></span>
Sample program

The attached sample tests a simple case with
std::regex_constants::match_not_eol. It succeeds using libstdc++, but fails
with libc++ (I tried with r229968, current SVN HEAD at the time of this
writing).

It seems that match_not_eol isn't correctly telling the regex engine that "$"
shouldn't match the end of the string.</pre>
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