What is the difference between Verify & Index in PL/1?
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Answer Posted / sneha
VERIFY
Indicates the position in string x of the first character thats not in string y. if all r there it returns 0
example: VERIFY(SAM,SAM)returns 0
VERIFY(ABCD,EREE) returns 1
INDEX
Returns the starting position of the string y within x; returns 0 if y is not there in x
example: index(sam,agt) returns 2
index(sam,dog) returns 0
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