c# - How to match or list exactly using RegEx - 


pattern: ^(?!test|abc).*$

i not want match test or abc only, matches test123

what need add make stop @ end?

you need use end anchor in lookahead well:

^(?!(?:test|abc)$).*$

then, not match test , abc whole strings, match test123.

here regex demo (using pcre engine since work same in .net 1 expression).

to apply $ end-of-string anchor both test , abc, need group them, suggest using non-capturing group (or use capturing 1 regexoptions.explicitcapture).


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