Create is_uuid.lua

Add a new lua function to determine if a string is a uuid.
2016-07-23 13:40:57 -06:00
parent d46a9005d7
commit b236a737bf
1 changed files with 13 additions and 0 deletions
@@ -0,0 +1,13 @@
 function is_uuid(s)
  if (string.len(s) == 36) then
    local x = "%x";
    local t = { x:rep(8), x:rep(4), x:rep(4), x:rep(4), x:rep(12) }
    local pattern = table.concat(t, '%-');
    result = s:match(pattern);
  end
  if (result == nil) then
    return false;
  else
    return true;
  end
 end