jwkrahn's code is not doing a replacement because his pattern is inside a zero-width positive look-ahead assertion, i.e. it is in effect doing an insertion at a point in the string that is followed by the pattern because the item being substituted is zero-width.

Cheers,

JohnGG

In reply to Re^3: array manipulation with string by johngg
in thread array manipulation with string by santoshkumarcp

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