identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&gt;&amp;</span>
                    <span class="identifier">v</span><span class="special">,</span>
                    <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">p</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span>