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# std::basic_string_view::substr

From cppreference.com
< cpp‎ | string‎ | basic string view

constexpr basic_string_view substr(size_type pos = 0, size_type count = npos ) const; |  | (since C++17)

Returns a view of the substring `[pos, pos + rcount)`, where `rcount` is the smaller of `count` and size() - pos.

### [edit] Parameters

pos | - | position of the first character
count | - | requested length

### [edit] Return value

View of the substring `[pos, pos + rcount)`.

### [edit] Exceptions

std::out_of_range if pos > size()

### [edit] Complexity

Constant.

### [edit] See also

copy | copies characters (public member function) [edit]
find | find characters in the view (public member function) [edit]

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