Introduction - If you have any usage issues, please Google them yourself
Strings or string (String) is a string of characters consisting of numbers, letters, the underscore. Is generally referred to as s " a1a2an" (n> 0). It is a programming language indicates the data type of text. In programming, a string (string) is a symbol or a continuous numerical sequence, such as a symbol string (string of characters) or binary digit string (a string of binary digits). Typically whole string as the operation target, such as: Find a substring in the string, a substring is obtained, inserting a substring of string in a certain position on a sub-string and deleting the like. Sufficient Conditions two strings are equal: equal length, and the character corresponding to the respective positions are equal. Provided p, q are two strings, the first occurrence of q seek operation in the p position is called pattern matching. Two basic ways to store strings of sequential storage and links stored.