java - How to set false this regex? -

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§0§0((?:§[1-9a-d])+)§e§f

will work if string contains, example, §0§0§e§f or §0§0§1§e§f or §0§0§1§b§e§f or etc., need check if example false. tried not work:

?!§0§0((?:§[1-9a-d])+)§e§f [^(§0§0((?:§[1-9a-d])+)§e§f)] !§0§0((?:§[1-9a-d])+)§e§f (^§0§0((?:§[1-9a-d])+)§e§f)

and else.

you can use regex multiline option check lines do not contain previous pattern:

^(?!.*§0§0(?:(?:§[1-9a-d])*)§e§f).*$

it won't match following lines:

§0§0§e§f §0§0§e§f §0§0§1§e§f §0§0§1§b§e§f

it match following lines:

string string  more strings

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