>perl extract_ver_1.pl
str: '/tool/a/r/V2/V2DepCheck/1.109.2.1/V2DepCheck.pm'
ver:                         '1.109.2.1'
str: '/tool/a/r/p4/r/main/V2/V2DepCheck/169441/V2DepCheck.pm'
ver:                                   '169441'
str: '/tool/a/r/p4/r/branches/bd32b/V2/V2DepCheck/175507/V2DepCheck.pm'
ver:                                             '175507'
str: '/home/me/cvs/V2/V2DepCheck.pm'
ver: ?????
str: '/tool/a/r/boost/1.36.0'
ver:                 '1.36.0'
str: '/tool/a/r/cadence/itk/itkvd/v007'
ver:                              '007'