Hi all I am getting a link error while running my application that uses boost regex library. Here is the error message: undefined symbol: _ZN5boost9re_detail12perl_matcherIPKcN4_STL9allocatorINS_9sub_matchIS3_E EEENS_12regex_traitsIcNS_16cpp_regex_traitsIcEEEEE14construct_initERKNS_ 11basic_regexIcSC_EENS_15regex_constants12_match_flagsE Any help is appreciated. thanks in advance Jojy