fsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../xpressive/reference.html#header.boost.xpressive.sub_match_hpp" title="Header &lt;boost/xpressive/sub_match.hpp&gt;">boost/xpressive/sub_match.hpp</a>&gt;

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<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> BidiIter<span class="special">&gt;</span> <span class="identifier">BidiIter</span> <span class="identifier">range_begin</span><span class