This function is used for checking or searching for patterns in a given text
select one:
a. preg_match()
check()
b. regex()
c. regexp()

preg_match()

Explanation:

In the question

preg_match() function is used for checking or search for patterns in a given text.

The above function performs regular expression match. It can be used to verify whether the format of data i.e. name, email, phone number etc, entered by the user was correct or not find or replace matching string within text content and so on.

these  signals travel  down a part of the neuron called the axon, which is like a wire that carries the  signal  to othernerve  cells. on average a  nerve  cell sends a  signal  at about 50 meters per second, which is over 100  miles  an hour!