std::experimental::basic_string_view::find_first_of

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Technical specifications
Filesystem library (filesystem TS)
Library fundamentals (library fundamentals TS)
Library fundamentals 2 (library fundamentals 2 TS)
Extensions for parallelism (parallelism TS)
Concepts (concepts TS)
Extensions for concurrency (concurrency TS)
 
 
 
constexpr size_type find_first_of(basic_string_view v, size_type pos = 0) const;
(1) (library fundamentals TS)
constexpr size_type find_first_of(CharT c, size_type pos = 0) const;
(2) (library fundamentals TS)
constexpr size_type find_first_of(const CharT* s, size_type pos, size_type count) const;
(3) (library fundamentals TS)
constexpr size_type find_first_of(const CharT* s, size_type pos = 0) const;
(4) (library fundamentals TS)

Finds the first character equal to any of the characters in the given character sequence.

1) Finds the first occurence of any of the characters of v in this view, starting at position pos.
2) Equivalent to find_first_of(basic_string_view(&c, 1), pos).
3) Equivalent to find_first_of(basic_string_view(s, count), pos).
4) Equivalent to find_first_of(basic_string_view(s), pos).

Contents

[edit] Parameters

v - view to search for
pos - position at which to start the search
count - length of the string of characters to search for
s - pointer to a string of characters to search for
ch - character to search for

[edit] Return value

Position of the first occurrence of any character of the substring, or npos if no such character is found.

[edit] Exceptions

1-2)
noexcept specification:  
noexcept
  

[edit] Complexity

O(size() * v.size()) at worst.

[edit] See also

find characters in the view
(public member function)
find the last occurrence of a substring
(public member function)
find last occurrence of characters
(public member function)
find first absence of characters
(public member function)
find last absence of characters
(public member function)