New answers tagged gmail-filters
Unfortunately, you probably can't do what you want. From About Gmail Search Gmail doesn't recognize special search characters like square brackets, parentheses, currency symbols, the ampersand, the pound sign, and asterisks You'll need to find some other unique information about the messages you want to filter. (Advanced Search Operators)
If the string you're looking for is found in the from: field, then a filter that uses from:via nirbhayam.com should suffice. Try a search to be sure. Otherwise, we need more information about what it is you're trying to filter.
You won't be able to do it with a filter, because those act when the message comes in. However, it's simple to do with a search. label:first -label:second That search string will return all conversations with the label first and do not have the label second. The minus sign (- or hyphen, if you prefer) means negation. More information about search ...
Top 50 recent answers are included