dentifier">regex_error</span></a><span class="special">(</span><span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">error_type</span><span class="special">,</span> <span class="keyword">char</span> <span class="keyword">const</span> <span class="special">*</span> <span class="special">=</span> <span class="string">""</span><span class="special">)</span><span class="special">;</span>
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