When you use the caret sign in front, you tell regex to only respond when the first word must start with giggles, grins, laughs at, etc...and then end the sentence followed by "in." In other words, the code won't respond if there's any word displayed in front of the triggered phrases.
Right, I believe that's what the OP actually wanted. Look at the two examples he/she posted in the post immediately before my previous post.
