Node:The Simple, Next:, Previous:The Theory Behind It All, Up:Regular Expressions



The Simple

We can start our discussion of regular expression by considering the simplest of operators that can actually be used to create all possible regular expressions 1. All the other regular expression operators can actually be reduced into a set of these simple operators.


Footnotes

  1. Actually, Perl regular expressions have a few additional features that go beyond the traditional, simple set of regular expressions, but these are an advanced topic.