thub.io/tags/excel/> excel <span class=count>1</span> </a><a href=https://learnbyexample.github.io/tags/exercises/> exercises <span class=count>5</span> </a><a href=https://learnbyexample.github.io/tags/fixed-string/> fixed-string <span class=count>2</span> </a><a href=https://learnbyexample.github.io/tags/gnu-awk/> gnu-awk <span class=count>8</span> </a><a href=https://learnbyexample.github.io/tags/gnu-grep/> gnu-grep <span class=count>4</span> </a><a href=https://learnbyexample.github.io/tags/gnu-sed/> gn