String type only to find the operation provides us with the six kinds of search functions, each function in order to find different forms of name. find, rfind, find_first_of, find_first_not_of, find_last_of, find_last_not_of These are const member functions, const In other words, they are only for use against a substring to search for the location, they will not change the role of the string value.

String 中关于find的用法.doc

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．