Pattern Matching Using Character Classes
Learn how to create pattern objects using character classes and search for the given pattern within any text.
Character classes
A character class is a group of characters that represent patterns. It is made up of brackets followed by a series of characters, e.g. [aeiou]
, This would match any vowel within your string.
You can specify multiple options in one character class, e.g. [a-zA-Z0-9]
will match upper and lower case letters and numbers within your string.
Below are few examples of simple character classes:
The character class [abc]
The character class [abc]
will match any one character from the set {a
, b
, c
}.
Execute the code below to see this in action.
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