We generally call these slashes rather than sloshes.

      <p>As of Apache 1.3.20, special characters in

      <em>TestString</em> and <em>Substitution</em> strings can be

      escaped (that is, treated as normal characters without their

      usual special meaning) by prefixing them with a slosh ('\')

      usual special meaning) by prefixing them with a slash ('\')

      character. In other words, you can include an actual

      dollar-sign character in a <em>Substitution</em> string by

      using '<code>\$</code>'; this keeps mod_rewrite from trying