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## Function ierase_nth_copy

boost::algorithm::ierase_nth_copy — Erase nth algorithm ( case insensitive )

## Synopsis

    // In header: <boost/algorithm/string/erase.hpp>

    template<typename OutputIteratorT, typename Range1T, typename Range2T>
      OutputIteratorT
      ierase_nth_copy(OutputIteratorT Output, const Range1T & Input,
                      const Range2T & Search, int Nth,
                      const std::locale & Loc = std::locale());
    template<typename SequenceT, typename RangeT>
      SequenceT ierase_nth_copy(const SequenceT & Input, const RangeT & Search,
                                int Nth, const std::locale & Loc = std::locale());

## Description

Remove the Nth occurrence of the substring in the input. The result is a modified copy of the input. It is returned as a sequence or copied to the output iterator. Searching is case insensitive.

| Note
The second variant of this function provides the strong exception-safety guarantee

Parameters: |
`Input` | An input string
`Loc` | A locale used for case insensitive comparison
`Nth` | An index of the match to be replaced. The index is 0-based. For negative N, matches are counted from the end of string.
`Output` | An output iterator to which the result will be copied
`Search` | A substring to be searched for.
Returns: | An output iterator pointing just after the last inserted character or a modified copy of the input