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This is the documentation for a snapshot of the master branch, built from commit 41715b1c50.

Global bow

boost::xpressive::bow — Beginning of word assertion.


// In header: <boost/xpressive/regex_primitives.hpp>

unspecified bow;


'bow' matches the zero-width sub-sequence immediately following a non-word character and preceeding a word character. The regex traits are used to determine what constitutes a word character.