Answer:
Regular expressions is the correct answer for the above question.
Step-by-step explanation:
A 'regular expression' is an expression that is made up of the combination of multiple strings of numbers. It states the list of words with the help of some alphabets. It is used to search patterns because it tells about the multiple patterns for the only one expressions. For example-- arm\s+name is a 'regular expression' which means that a string can start from arm then there can be multiple spaces and then name.
The above question states that which gives multiple results for one string. So 'Regular expression' can give multiple results for one string. hence It is a correct answer.