string.upper
Lua function

string.upper

Summary

Converts a string to upper-case

Prototype

s = string.upper (str)


Description

Returns the string converted to upper-case.


string.upper ("ABCdef") --> ABCDEF


See Also ...

Topics

DOC_lua_base Lua base functions
DOC_lua_bc Lua bc (big number) functions
DOC_lua_bit Lua bit manipulation functions
DOC_lua_coroutines Lua coroutine functions
DOC_lua_debug Lua debug functions
DOC_lua_io Lua io functions
DOC_lua_math Lua math functions
DOC_lua_os Lua os functions
DOC_lua_package Lua package functions
DOC_lua_rex Lua PCRE regular expression functions
DOC_lua Lua script extensions
DOC_lua_string Lua string functions
DOC_lua_tables Lua table functions
DOC_lua_utils Lua utilities
DOC_regexp Regular Expressions
DOC_scripting Scripting

Lua functions

LUA_string.byte string.byte (Converts a character into its ASCII (decimal) equivalent)
LUA_string.char string.char (Converts ASCII codes into their equivalent characters)
LUA_string.dump string.dump (Converts a function into binary)
LUA_string.find string.find (Searches a string for a pattern)
LUA_string.format string.format (Formats a string)
LUA_string.gfind string.gfind (Iterate over a string (obsolete in Lua 5.1))
LUA_string.gmatch string.gmatch (Iterate over a string)
LUA_string.gsub string.gsub (Substitute strings inside another string)
LUA_string.len string.len (Return the length of a string)
LUA_string.lower string.lower (Converts a string to lower-case)
LUA_string.match string.match (Searches a string for a pattern)
LUA_string.rep string.rep (Returns repeated copies of a string)
LUA_string.reverse string.reverse (Reverses the order of characters in a string)
LUA_string.sub string.sub (Returns a substring of a string)

(Help topic: lua=string.upper)

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