[#boost-urls-params_encoded_ref-erase-03]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/params_encoded_ref.adoc[params_encoded_ref]::erase
:relfileprefix: ../../../
:mrdocs:

Erase params

== Synopses

Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/params_encoded_ref.hpp#L605[boost/url/params_encoded_ref.hpp]>`

Erase params


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:boost/urls/params_encoded_base/iterator.adoc[iterator]
xref:boost/urls/params_encoded_ref/erase-08.adoc[erase](xref:boost/urls/params_encoded_base/iterator.adoc[iterator] pos) noexcept;
----

[.small]#xref:boost/urls/params_encoded_ref/erase-08.adoc[_» more..._]#

Erase params


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:boost/urls/params_encoded_base/iterator.adoc[iterator]
xref:boost/urls/params_encoded_ref/erase-0b.adoc[erase](
    xref:boost/urls/params_encoded_base/iterator.adoc[iterator] first,
    xref:boost/urls/params_encoded_base/iterator.adoc[iterator] last) noexcept;
----

[.small]#xref:boost/urls/params_encoded_ref/erase-0b.adoc[_» more..._]#

Erase params


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::size_t
xref:boost/urls/params_encoded_ref/erase-00.adoc[erase](
    xref:boost/urls/pct_string_view.adoc[pct_string_view] key,
    xref:boost/urls/ignore_case_param.adoc[ignore_case_param] ic = {}) noexcept;
----

[.small]#xref:boost/urls/params_encoded_ref/erase-00.adoc[_» more..._]#

== Exceptions

[cols=2]
|===
| Name
| Thrown on
| `system_error`
| `key` contains an invalid percent‐encoding.
|===

== Return Value

* An iterator to one past the removed element.
* An iterator to one past the removed range.
* An iterator to one past the removed range.
* The number of params removed from the container.

== Parameters

[cols=2]
|===
| Name
| Description
| *pos*
| An iterator to the element.
| *first*
| The first element to remove.
| *last*
| One past the last element to remove.
| *key*
| The key to match. By default, a case‐sensitive comparison is used.
| *ic*
| An optional parameter. If the value xref:boost/urls/ignore_case.adoc[`ignore_case`] is passed here, the comparison is case‐insensitive.
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#