Write a function called substring that uses the leftmatch and rightmatch functions to remove a pattern from the left and right side of a value. It should take three arguments as shown: $ substring /usr/ /usr/spool/uucppublic /uucppublic spool $ substring s. s.main.c .c main $ substring s. s.main.c .o Only left match main.c $ substring x. s.main.c .o No matches s. main.c
Write a function called substring that uses the leftmatch and rightmatch functions to remove a pattern from the left and right side of a value. It should take three arguments as shown: $ substring /usr/ /usr/spool/uucppublic /uucppublic spool $ substring s. s.main.c .c main $ substring s. s.main.c .o Only left match main.c $ substring x. s.main.c .o No matches s. main.c
C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter6: Modularity Using Functions
Section6.2: Returning A Single Value
Problem 13E
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Write a function called substring that uses the leftmatch and rightmatch functions to remove a pattern from the left and right side of a value. It should take three arguments as shown:
$ substring /usr/ /usr/spool/uucppublic /uucppublic
spool
$ substring s. s.main.c .c
main
$ substring s. s.main.c .o Only left match
main.c
$ substring x. s.main.c .o No matches
s. main.c
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