RegEx match complete word with special characters ------------------ Rule Engine $my_text$ MATCHES /^.*(S\\.A\\.S\\.).*$/ => "contains S.A.S." Column Expressions else if (regexMatcher(column("my_text"), "^.*(S\.A\.S\.).*$")) {true} String Manipulation regexMatcher($my_text$, "^.*(S\.A\.S\.).*$") Java Snippet (simple) Pattern p = Pattern.compile("(^.*)(S\.A\.S\.)(.*$)"); Matcher m = p.matcher($my_text$); Java Snippet Pattern p = Pattern.compile("^.*(S\\.A\\.S\\.).*$"); Matcher m = p.matcher(c_my_text);