I was looking at the Regular Expressions chapter of Perl best practices yesterday, and my recollection is that it runs to about ten pages. Some work with regula

I was looking at the Regular Expressions chapter of Perl best practices yesterday, and my recollection is that it runs to about ten pages. Some work with regular expressions isn't hard, but some is complicated, and assumptions may not carry over from language to language. It could be that some level of complexity is a sign that regular expressions are no longer the correct tool.