This is a simple grep/ack like tool
usage: nxgr [-h] -e RE [--ne NRE] [--frgx FRGX] [--fx FX] [--fnrgx FNRGX] [file [file ...]]
positional arguments: file Files to be searched
optional arguments: -h, --help show this help message and exit -e RE (match this regex) --ne NRE (exclude this regex) --frgx FRGX (match file names containing this regex) --fx FX (matches files with this extension - turns FX into a regex .FX$) --fnrgx FNRGX (exclude) file names containing this regexes)