如何用正则表达式使用find、-exec、grep和sed替换部分文本?

Well, I really wanted to create a filter to use in DeltaWalker to ignore files with only a particular line difference, so I could identify files that had other source code changes. Stackoverflow regex guru's gave me several good expressions that yield good find -exec grep results in OS X Terminal, but have no effect on DeltaWalker results. So, I have another idea.Well, I really wanted to create a filter to use