REG_EPAREN         83 pcre/pcreposix.cpp   REG_EPAREN,  /* missing ) */
REG_EPAREN         87 pcre/pcreposix.cpp   REG_EPAREN,  /* missing ) after comment */
REG_EPAREN         91 pcre/pcreposix.cpp   REG_EPAREN,  /* unmatched brackets */