[#bsl-basic_string-0faf-insert-094]
= xref:bsl.adoc[bsl]::xref:bsl/basic_string-0faf.adoc[basic_string]::insert
:relfileprefix: ../../
:mrdocs:

Insert at the specified `position` in this string the characters in the range starting at the specified `first` iterator and ending right before the specified `last` iterator of the (template parameter) type `INPUT_ITER`, and return an iterator providing modifiable access to the first inserted character, or a non‐`const` copy of `position` if `first == last`. The behavior is undefined unless `position` is a valid iterator on this string, and `first` and `last` refer to a sequence of valid values where `first` is at a position at or before `last`.

== Synopsis

Declared in `<bslstl_string.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class INPUT_ITER>
xref:bsl/basic_string-0faf/iterator.adoc[iterator]
insert(
    xref:bsl/basic_string-0faf/const_iterator.adoc[const_iterator] position,
    INPUT_ITER first,
    INPUT_ITER last);
----


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