LUA

Manual

• 6. Standard Libraries

1. Basic Functions
2. Coroutine Manipulation
3. Modules
4. String Manipulation
5. UTF-8 Support
6. Table Manipulation
7. Mathematical Functions
8. Input and Output Facilities
9. Operating System Facilities
10. The Debug Library

String library

Commands	Header text	Header text
string.sub(s, i [, j]) s:sub(i [,j])	Return a substring of the string passed. The substring starts at i. If the third argument j is not given, the substring will end at the end of the string. If the third argument is given, the substring ends at and includes j.	> = string.sub("Hello Lua user", 7) -- from character 7 including 7 until the end Lua user > = string.sub("Hello Lua user", 7, 9) -- from character 7 until and including 9 Lua > = string.sub("Hello Lua user", -8) -- 8 from the end until the end Lua user > = string.sub("Hello Lua user", -8, 9) -- 8 from the end until 9 from the start Lua > = string.sub("Hello Lua user", -8, -6) -- 8 from the end until 6 from the end Lua
Example	Example	Example
Example	Example	Example

LUA Patterns

• Lua Pattern manual

Lanuage

• Statement

Reference

• https://wiki.openluat.com/