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Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS.It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA).
The String Supplement was somewhat larger than the Math Functions, including a number of new features. Strings could be up to 80 characters long, and the system could hold a total of 64 string variables. Any one of those 64, or all of them, could be one-dimensional arrays, but the total number still had to be 64 strings in total.
The simplest operation is taking a substring, a snippet of the string taken at a certain offset (called an "index") from the start or end. There are a number of legacy templates offering this but for new code use {{#invoke:String|sub|string|startIndex|endIndex}}. The indices are one-based (meaning the first is number one), inclusive (meaning ...
A string homomorphism (often referred to simply as a homomorphism in formal language theory) is a string substitution such that each character is replaced by a single string. That is, f ( a ) = s {\displaystyle f(a)=s} , where s {\displaystyle s} is a string, for each character a {\displaystyle a} .
String functions are used in computer programming languages to manipulate a string or query information about a string (some do both).. Most programming languages that have a string datatype will have some string functions although there may be other low-level ways within each language to handle strings directly.
Base 1: the first character is numbered 1, and so on. Any leading or trailing whitespace is removed from the string before searching. If the requested position is negative, this function will search the string counting from the last character. In other words, number = -1 is the same as asking for the last character of the string.
The STRING$ function makes copies of a given pattern string so that A$=STRING$(17, "X") will produce a string of 17 X's. [2] Only one manipulation function is included, MID$ , which works as in MS, but can also be used to replace characters in an existing string, MID$(A$,1,1)="Y" will replace the first letter of A$ with Y. INKEY$ returns the ...