Trim whitespace from end of string (LUA)

Basic implement to strip trailing whitespace from a string in lua.

Accepts a string, returns a string, simple

Similar To

• PHP: rtrim()
• Python: rstrip()

Details

• Language: LUA

Snippet

function rtrim(s)
  return s:match'^(.*%S)%s*$'
end

Usage Example

local a = ' abcde         '
print( a..'END' )
print(rtrim(a)..'END')