:relfileprefix: ../../../
[#boost-urls-decode_view-starts_with]

== xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::xref:boost/urls/decode_view.adoc[pass:[decode_view]]::starts_with

  


Checks if the string begins with the given prefix



=== Synopsis
  

[source,cpp,subs="verbatim,macros,-callouts"]
----
bool
xref:boost/urls/decode_view/starts_with-01.adoc[pass:[starts_with]](core::string_view s) const noexcept;
----

[source,cpp,subs="verbatim,macros,-callouts"]
----
bool
xref:boost/urls/decode_view/starts_with-0b.adoc[pass:[starts_with]](char ch) const noexcept;
----
  
=== Description

[,cpp]
----
assert( decode_view( "Program%20Files" ).starts_with("Program") );
----

=== Linear.

=== Throws nothing.