INSERT and OVERLAY

In EBCDIC:
INSERT('a','b<><.A.B>',1)             -> 'ba<><.A.B>'
INSERT('<.A.B>','<.C.D><>',2)         -> '<.C.D.A.B><>'
INSERT('<.A.B>','<.C.D><><.E>',2)     -> '<.C.D.A.B><><.E>'
INSERT('<.A.B>','<.C.D><>',3,,'<.E>') -> '<.C.D><.E.A.B>'

OVERLAY('<.A.B>','<.C.D><>',2)          -> '<.C.A.B>'
OVERLAY('<.A.B>','<.C.D><><.E>',2)      -> '<.C.A.B>'
OVERLAY('<.A.B>','<.C.D><><.E>',3)      -> '<.C.D><><.A.B>'
OVERLAY('<.A.B>','<.C.D><>',4,,'<.E>')  -> '<.C.D><.E.A.B>'
OVERLAY('<.A>','<.C.D><.E>',2)          -> '<.C.A><.E>'
Applying the character extraction from a string and character comparison rules.

Reference Reference

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Timestamp icon Last updated: Tuesday, 7 January 2014


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