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    Hi devs,<br>
    <br>
    I have opened a PR <a class="moz-txt-link-freetext" href="https://github.com/qgis/QGIS/pull/3535">https://github.com/qgis/QGIS/pull/3535</a><br>
    Reviews are welcome<br>
    <br>
    <div class="moz-cite-prefix">Le 24/09/2016 à 05:27, Nathan Woodrow a
      écrit :<br>
    </div>
    <blockquote
cite="mid:CAAi8Yg8tE9oyjO9K6GdSbGKADO-MyszQucgRQh24X16D8AVL6g@mail.gmail.com"
      type="cite">
      <div dir="ltr">Hey,
        <div><br>
        </div>
        <div>When would you normally need an escape char for LIKE?</div>
        <div><br>
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        <div>- Nathan </div>
      </div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">On Fri, Sep 23, 2016 at 6:33 PM,
          René-Luc Dhont <span dir="ltr"><<a moz-do-not-send="true"
              href="mailto:rldhont@gmail.com" target="_blank">rldhont@gmail.com</a>></span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Devs,<br>
            <br>
            I'd like to know if an escape character is defined for the
            LIKE operator in QGIS Expression.<br>
            <br>
            If I take a look at the code src/core/qgsexpression.cpp:434<wbr>3
            no escape char is used<br>
            ```<br>
                    if ( mOp == boLike || mOp == boILike || mOp ==
            boNotLike || mOp == boNotILike ) // change from LIKE syntax
            to regexp<br>
                    {<br>
                      QString esc_regexp = QRegExp::escape( regexp );<br>
                      // XXX escape % and _  ???<br>
                      esc_regexp.replace( '%', ".*" );<br>
                      esc_regexp.replace( '_', '.' );<br>
                      matches = QRegExp( esc_regexp, mOp == boLike ||
            mOp == boNotLike ? Qt::CaseSensitive : Qt::CaseInsensitive
            ).exactMatch( str );<br>
                    }<br>
            ```<br>
            Do you think we have to add one ?<br>
            <br>
            Regards,<br>
            René-Luc<br>
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