Character Classes
Explore how to build and use character classes in Perl regular expressions. Understand grouping of alternatives, use of hyphens for ranges, and how to negate classes for advanced text matching techniques. Gain practical knowledge to enhance your regex skills in Perl.
We'll cover the following...
We'll cover the following...
Allowing alternatives
When none of those metacharacters is specific enough, we can group multiple characters into a character class by enclosing them in square brackets. A character class allows us to treat a group of alternatives as a single atom: ...