Regular expressions are used to find certain words or patterns inside of
For example, if we wanted to find the word
the in the string
The dog chased the cat, we could use the following
Let's break this down a bit:
/ is the start of the regular expression.
the is the pattern we want to match.
/ is the end of the regular expression.
global, which causes the pattern to return all matches in the string, not just the first one.
i means that we want to ignore the case (uppercase or lowercase) when searching for the pattern.
Select all the occurrences of the word
You can do this by replacing the
. part of the regular expression with the word