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<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Enter the regular expression you want to search for here.</p>
<p style=" margin-top:12px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">If you do not check "Regular Expression" below, this is considered a raw string. That means, all meta characters are escaped.</p>
<p style=" margin-top:12px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Possible meta characters are:</p>
<ul style="margin-top: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" margin-top:12px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">.</span> - Matches any character</li>
<li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">^</span> - Matches the beginning of a line</li>
<li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">$</span> - Matches the end of a line</li>
<li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">\b</span> - Matches a word boundary</li>
<li style=" margin-top:0px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">\s</span> - Matches any whitespace character</li></ul>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">The following repetition operators exist:</p>
<ul style="margin-top: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" margin-top:12px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">?</span> - The preceding item is matched at most once</li>
<li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">*</span> - The preceding item is matched zero or more times</li>
<li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">+</span> - The preceding item is matched one or more times</li>
<li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">{</span><span style=" font-weight:600; font-style:italic;">n</span><span style=" font-weight:600;">}</span> - The preceding item is matched exactly <span style=" font-style:italic;">n</span> times</li>
<li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">{</span><span style=" font-weight:600; font-style:italic;">n</span><span style=" font-weight:600;">,}</span> - The preceding item is matched <span style=" font-style:italic;">n</span> or more times</li>
<li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">{,</span><span style=" font-weight:600; font-style:italic;">n</span><span style=" font-weight:600;">}</span> - The preceding item is matched at most <span style=" font-style:italic;">n</span> times</li>
<li style=" margin-top:0px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">{</span><span style=" font-weight:600; font-style:italic;">n</span><span style=" font-weight:600;">,</span><span style=" font-weight:600; font-style:italic;">m</span><span style=" font-weight:600;">}</span> - The preceding item is matched at least <span style=" font-style:italic;">n</span>, but at most <span style=" font-style:italic;">m</span> times.</li></ul>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Furthermore, backreferences to bracketed subexpressions are available via the notation \<span style=" font-style:italic;">n</span>.</p>
<p style=" margin-top:12px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">For further reference, look at <a href="http://www.pcre.org"><span style=" text-decoration: underline; color:#0057ae;">www.pcre.org</span></a> or <span style=" font-style:italic;">man pcresyntax.</span></p></body></html>