Types of Regular Expressions
In this lesson, we will classify regular expressions into two main types: POSIX and Perl regular expressions.
We'll cover the following...
You can probably classify RegExps in very different ways, but, if you look at the way they were created (and that is what we’re doing in this chapter), there are two main groups:
-
POSIX
-
Perl Regular Expressions
POSIX
POSIX stands for Portable Operative System Interface, and it is basically a set of standards defined for the creation of new OS or tools that need to be compatible with them. By following ...