There are many programs available for looking at text corpora and ana-lyzing the data that you see. In general, however, we assume that readers will be writing their own software, and so all the software that is really needed is a plain text editor, and a compiler or interpreter for a lan-guage of choice. However, certain other tools, such as ones for searching through text corpora can often be of use. We briefly describe some such tools later.
|against a sequence of characters. The most general widespread notation|
|for such matches are regular expressions which can describe patterns|
|4.1 Getting Set Up||121|
This section is not meant as a substitute for a general knowledge of com-