string.upper

Converts a string to upper-case

Prototype

s = string.upper (str)

Description

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

Lua functions

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

Topics

• Lua LPEG library
• Lua PCRE regular expression functions
• Lua base functions
• Lua bc (big number) functions
• Lua bit manipulation functions
• Lua coroutine functions
• Lua debug functions
• Lua io functions
• Lua math functions
• Lua os functions
• Lua package functions
• Lua script extensions
• Lua string functions
• Lua syntax
• Lua table functions
• Lua utilities
• Regular Expressions
• Scripting callbacks - plugins
• Scripting