LUA

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Manual

  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

Lanuage