substring() [2/2]

ustring xtd::ustring::substring ( size_t  start_index, size_t  length  ) const

noexcept

Retrieves a substring from this instance. The substring starts at a specified character position and has a specified length.

Parameters

start_index	The zero-based starting character position of a substring in this instance.
length	The number of characters in the substring.

Returns

A string equivalent to the substring of length length that begins at start_index in this instance, or Empty if start_index is equal to the length of this instance and length is zero.