Xell Liu wrote:
Hi all, For example, when I want to search all letters and digits (i.e. all [:alnum:] ) except the two letters "a" and "b" (without quotes), how should I do that instead of stupidly enumerating all the characters I want? The real question I want to ask is: 1. The items I want to include in search are too many to enumerate them manually, like [\x00-\xff]; 2. The items I want to exclude are very few; What's the simplest way to write the search regular expression?
You can use concats. :help /branch E.g., [[:alnum:]]\&[^ab] ...matches any letter or digit except a or b. Brett Stahlman
Thanks very much! Regards, Xell
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