tree 6cbd1c038aa9b39f7e6b9580eed20003f6c6104c
parent 838f6ed948be34cb061e6a1e03cf7068eb713d44
author Hao Zhu <haozhu233@gmail.com> 1496960612 -0400
committer Hao Zhu <haozhu233@gmail.com> 1496960612 -0400

add an extra escape sign for the dollar sign.......this regex world...https://stackoverflow.com/questions/9716443/how-to-escape-dollar-sign-in-a-string-using-perl-regex