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I want an expression that will fail when it encounters words such as "boon.ini" and "http". The goal would be to take this expression and be able to construct for any set of keywords.
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If you want to exclude a certain word/string in a search pattern, a good way to do this is regular expression assertion function. It is indispensable if you want to match something not followed by something else. ?= is positive lookahead and ?! is negative lookahead.
. Your regex starts with (?= (ensure that you can see, but don't consume) followed by . * (zero or more of any character).
Simply put: \b allows you to perform a “whole words only” search using a regular expression in the form of \bword\b. A “word character” is a character that can be used to form words. All characters that are not “word characters” are “non-word characters”.
^(?:(?!boon\.ini|http).)*$\r?\n? (taken from RegexBuddy's library) will match any line that does not contain boon.ini and/or http. Is that what you wanted?
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