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## Function replace_first_copy

boost::algorithm::replace_first_copy — Replace first algorithm.

## Synopsis

    template<typename OutputIteratorT, typename Range1T, typename Range2T,
             typename Range3T>
      OutputIteratorT
      replace_first_copy(OutputIteratorT Output, const Range1T & Input,
                         const Range2T & Search, const Range3T & Format);
    template<typename SequenceT, typename Range1T, typename Range2T>
      SequenceT replace_first_copy(const SequenceT & Input,
                                   const Range1T & Search,
                                   const Range2T & Format);

## Description

Replace the first match of the search substring in the input with the format string. The result is a modified copy of the input. It is returned as a sequence or copied to the output iterator.

Parameters:

`Format` | A substitute string
`Input` | An input 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
Notes: | The second variant of this function provides the strong exception-safety guarantee

| Copyright © 2002-2004 Pavol Droba