ESC_wu           3333 ext/pcre/pcrelib/pcre_compile.c     case ESC_wu:
ESC_wu           4316 ext/pcre/pcrelib/pcre_compile.c             case ESC_wu:     /* escape sequence with an appropriate \p */
ESC_wu           6917 ext/pcre/pcrelib/pcre_compile.c         if (escape >= ESC_DU && escape <= ESC_wu)