Tec(h)tonic

Insights into building a solid I.T. foundation in the mid-size business world.

Tag: grep

  • grep search for lines that do NOT contain certain words

    Of course, all it took was a little Google searching to find the answer to this, but I never bothered to do it until today – this is a lifesaver: ^((?!hede).)*$ The regex above will match any string, or line without a line break, not containing the (sub)string ‘hede’. Thanks to this post for this gem.