In regular expressions, the “AND NOT” operation isn’t directly supported as it is in Boolean logic. However, you can simulate it using a combination of lookaheads and negative lookaheads. For example, if you want to match a pattern that includes one term but excludes another, you can use a negative lookahead. Here’s an example regex:
(?=.*term1)(?!.*term2)
This will match strings containing term1 but not term2. The positive lookahead (?=.*term1) ensures term1 is present, and the negative lookahead (?!.*term2) ensures term2 is absent in the string.