Consider a string in the following format: abcd/a.d You want to perform regular expression in this string; however, you are unable to do this since the string contains special characters. You can…

Consider a string in the following format: a*bcd/a.d You want to perform regular expression in this string; however, you are unable to do this since the string contains special characters. You can make this string PCRE compatible if you convert this string in the following format: a*bcd/a.d Which of the following functions will you use to accomplish the task into a single call?