[#boost-urls-grammar-string_view_base-starts_with-0b]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/grammar.adoc[grammar]::xref:boost/urls/grammar/string_view_base.adoc[string_view_base]::starts_with
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:mrdocs:

Return true if a matching prefix exists

== Synopsis

Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/grammar/string_view_base.hpp#L519[boost/url/grammar/string_view_base.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
bool
starts_with(char x) const noexcept;
----

== Description

See `core::string_view::starts_with`

== Return Value

`true` if the prefix matches

== Parameters

[cols=2]
|===
| Name
| Description
| *x*
| The character to search for
|===


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