How to exclude a string from a regular expression search?

Question

Regular Expressions

There are, for example, the following lines:
1) word-any-text-here-without-word
2) word-any-text-but-is-word-unique-any-text
3) word-other-any-text
4 ) word-one-another-any-text-but-with-the-word-unique-and-further-any-

text .e rows 1 and 3) should be selected?

Answer 1

^word(?!.*unique).*
https://regex101.com/r/ECqpSD/1