Regular expression Regular expressions

Find strings Some of the words in a matching pattern

Example: If we want to find the The dog chased the cat word in the string the , we can use the following regular expression:/the/gi

We can divide this regular expression into several segments:

/It's the head of this regular expression.

theIs the pattern we want to match.

/is the tail of this regular expression.

gRepresents global (global), which means that all matches are returned, not just the first one.

iIt means ignoring the case, meaning that when we look for a matching string, we ignore the case of the letter.

Regular expression Regular expressions