📅  最后修改于: 2022-03-11 14:54:56.487000             🧑  作者: Mango
//This function will copy or selct part of a string and assign it to another variable
//syntax
// := copy(, , );
//Example
var
Phrase : String;
phrase := copy('Hello world', 1, 5)
// Output will be phrase := "Hello"