Thread: Little C personal utilities

Originally Posted by DavidP

I can read and interpret and use regular expressions as long as it is with the syntax defined by formal language theory.

Once I see a regular expression using some other syntax, such as that of Perl, my brain shuts off and dies.

After looking at the article, I would say that perl does use that syntax. Like, irrefutably. Everything listed there is valid in perl except for the POSIX section.

However, perl also expands upon this greatly, which may explain your confusion.