What does the function re.search do? Explanation: It will look for the pattern at any position in the string. ... Explanation: This function returns the entire match.

What does re match do?

The re.search() and re. match() both are functions of re module in python. These functions are very efficient and fast for searching in strings. The function searches for some substring in a string and returns a match object if found, else it returns none.

What does .SUB do in Python?

sub() to replace patterns in strings. Call re. sub(pattern, repl, string) to return the string obtained by replacing the leftmost non-overlapping occurrences of the regex pattern in string with repl .