Return value String containing the substring [pos, pos + count) or [pos, size()). Exceptions std::out_of_range if pos > size(). If an exception is thrown for any reason, these functions have no …

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

Iterator invalidation References, pointers, and iterators referring to the elements of a basic_string may be invalidated by any standard library function taking a reference to non-const basic_string as an …

What links here Related changes Upload file Special pages Printable version Permanent link Page information

Characters In the C++ standard library, a character is an object which, when treated sequentially, can represent text. The term means not only objects of character types, but also any value that can be …

The class template basic_string_view describes an object that can refer to a constant contiguous sequence of CharT with the first element of the sequence at position zero. For a basic_string_view …

Checks if the string contains the given substring. The substring may be one of the following:

Regular expression grammars Patterns and replacement strings support the following regular expression grammars: Modified ECMAScript regular expression grammar. This is the default …

Returns a substring [pos, pos+count). If the requested substring extends past the end of the string, or if count == npos, the returned substring is [pos, size ()).

1) Finds the first occurrence of the null-terminated byte string pointed to by substr in the null-terminated byte string pointed to by str. The terminating null characters are not compared.