Delphi string characters commonly used string character handler function

Delphi string characters commonly used string handler function:

Description	Old notation (Windows platform) starts from 1	New notation (across all platforms) starting from 0
Insert String	Insert (' str ', str, 1);	STR: = Str.insert (0, ' str ');
Delete a string	Delete (STR, 1, 1);	STR: = Str.remove (0); STR: = Str.remove (0, 1);
Copy a string	str: = Copy (str, 1, 2);	STR: = str.substring (0, 2));
Turn into uppercase	Uppercase (STR);	STR: = Str.toupper;
Turn into lowercase	lowercase (STR);	STR: = Str.tolower;
repeating characters	Stringofchar ('-', 15);	STR: = String.cretae ('-', 15);
Find sub-characters	Pos (' ABC123 ', Str);	I: = Str.indexof (' ABC123 ');
It's these words.	Charinset (str[1], [", #13]);	Str.chars[0]. Isinarray ([' ', #13]);
Watchmaking a swastika of the tortoise

Organize these first, and then slowly organize the others.

Delphi string characters commonly used string character handler function