PHP has built in functions that allow us to work with regular functions. Let’s now look at the commonly used regular expression functions in PHP.
preg_match – this function is used to perform a pattern match on a string. It returns true if a match is found and false if a match is not found.
preg_split – this function is used to perform a pattern match on a string and then split the results into a numeric array
preg_replace – this function is used to perform a pattern…