ype</span></code></a>). For each match
        found one string will be enumerated for each sub-expression index contained
        within the <span class="emphasis"><em>submatches</em></span> array; if <code class="computeroutput"><span class="identifier">submatches</span><span class="special">[</span><span class="number">0</span><span class="special">]</span></code>
        is -1, then the first string enumerated for each match will be all of the
        text from end of the last match to the start of the 