Trim whitespace from string (LUA)

Simple implementation to trim leading and trailing whitespace from a string in LUA

Similar To

• PHP: trim()
• Python: strip()
• Javascript: trim()

Details

• Language: LUA

Snippet

function trim(s)
  return s:match'^()%s*$' and '' or s:match'^%s*(.*%S)'
end

Usage Example

local a = ' abcde fg    '
print( a..'END' )
print(trim(a)..'END')