2 \usepackage{../style}

     2 \usepackage{../style}

     3 \usepackage{../langs}

     3 \usepackage{../langs}

     4 

     4 

     5 \begin{document}

     5 \begin{document}

     6 

     6 

     8 

     8 

     9 This coursework is worth 10\%. It is about regular expressions,

     9 This coursework is worth 10\%. It is about regular expressions,

    10 pattern matching and polymorphism. The first part is due on 30

    10 pattern matching and polymorphism. The first part is due on 30

    11 November at 11pm; the second, more advanced part, is due on 7 December

    11 November at 11pm; the second, more advanced part, is due on 7 December

    12 at 11pm. You are asked to implement a regular expression matcher. Make

    12 at 11pm. You are asked to implement a regular expression matcher. Make