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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - HTML `pattern` attribute should set `u` flag for regular expressions"
   href="https://bugs.webkit.org/show_bug.cgi?id=151598">151598</a>
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        </tr>

        <tr>
          <th>Summary</th>
          <td>HTML `pattern` attribute should set `u` flag for regular expressions
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

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

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Forms
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>mathias&#64;qiwi.be
          </td>
        </tr></table>
      <p>
        <div>
        <pre>As soon as support for the `u` flag is completed, it should be enabled for the HTML `pattern` attribute as well.

Spec: <a href="https://html.spec.whatwg.org/multipage/forms.html#the-pattern-attribute">https://html.spec.whatwg.org/multipage/forms.html#the-pattern-attribute</a>

“If an input element has a pattern attribute specified, and the attribute's value, when compiled as a JavaScript regular expression with only the &quot;u&quot; flag specified, compiles successfully, then the resulting regular expression is the element's compiled pattern regular expression. If the element has no such attribute, or if the value doesn't compile successfully, then the element has no compiled pattern regular expression.”</pre>
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      </p>
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