ef="https://docs.microsoft.com/dotnet/standard/base-types/regular-expression-language-quick-reference">.NET Regular Expression</a></td>
  </tr>
  <tr>
    <td>/ire</td>
    <td>RegularExpression / IgnoreCase</td>
    <td>Perform regular expression search without case sensitivity.</td>
  </tr>
  <tr>
    <td>/since</td>
    <td>DateTime / Since</td>
    <td>After specified date</td>
  </tr>
  <tr>
    <td>/until</td>
    <td>DateTime / Until</td>
    <td>Before specified date</td>
  </tr>
  <tr>
    <td>/lt<