diff -r ddb521b57e0c -r 42ecc3186944 handouts/ho01.tex --- a/handouts/ho01.tex Sat Sep 23 21:22:17 2023 +0100 +++ b/handouts/ho01.tex Sat Sep 23 22:26:52 2023 +0100 @@ -117,7 +117,7 @@ such patterns. The idea behind regular expressions is that they are a simple method for describing languages (or sets of strings)\ldots at least languages we are interested in in -computer science. For example there is no convenient regular +Computer Science. For example there is no convenient regular expression for describing the English language short of enumerating all English words. But they seem useful for describing for example simple email addresses.\footnote{See @@ -215,7 +215,7 @@ Regular expressions were introduced by Kleene in the 1950ies and they have been object of intense study since then. They are nowadays pretty -much ubiquitous in computer science. There are many libraries +much ubiquitous in Computer Science. There are many libraries implementing regular expressions. I am sure you have come across them before (remember the PRA or PEP modules?).