string.sub
Summary
Returns a substring of a string
Prototype
s = string.sub (str, start, end)Description
Returns a substring of the string, starting at index 'start' and ending at index 'end'. Both may be negative to indicate counting from the right. The end point is optional and defaults to -1, which is the entire rest of the string.
string.sub ("ABCDEF", 2, 3) --> BC
string.sub ("ABCDEF", 3) --> CDEF
string.sub ("ABCDEF", -1) --> F
See Also ...
Topics
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 PCRE regular expression functions
Lua script extensions
Lua string functions
Lua table functions
Lua utilities
Regular Expressions
ScriptingLua 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.upper (Converts a string to upper-case)(Help topic: lua=string.sub)
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