R.E.G.E.X.

is a Blimp that likes regex. It has 1000HP, and is immune to /[rt] |[ck]e |(.)\1a|j/. It is as fast as a /^[rm]/. It spawns Coded Bloon on death. It looks like a blimp with a golf ball. The golf ball is invulnerable, but has a 5% chance to be knocked off.

/(/
When the golf ball is knocked off, it will show "REGEX GOLF TIME!" on your screen, and a window will appear giving you a regex golf test, which will involve questions like select all upgrade names of path 1 and none of that of path 2.

Meanwhile, would move twice as slower, but is invulnerable.

If you can't answer the question, you can use $5000 or 10 lives to surrender. However, the golf ball will be back on its head. If you can answer it, the golf ball will disappear.

/\//
The ability name will appear with the regex text provided, and the screen will flash after 3 seconds. Then the tower that can be matched with the regex text will have it's attacks (healing or damaging) healing the tower only. You have to understand the regex code and cease the corresponding agents/towers from firing. Used every 15 seconds.

/(.1){2}/

 * Guess the immunities and speed.
 * Guess the corresponding section names: No more /..../!, Abilities, Trivia, Regex Golf (Passive)
 * Regex golf