Here is what I use for that. You're welcome.
(^AIM\s+|[^a-zA-Z0-9]AIM\s+|[Aa][Mm][eE][rR][Ii][Cc][aA][Nn]\s[Ii][nN][tT][eE][lL][lL][iI][Gg][eE][nN][cC][eE]\s[M][Ee][dD][Ii][Aa]|^SES\s+|[^a-zA-Z0-9]SES\s+|[Ss][Ee][nN][iI][Oo][rR]\s[Ee][xX][Ee][cC][uU][tT][Ii][vV][Ee]\s[Ss][Ee][rR][Vv][iI][cC][Ee]\s*)