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negative lookahead

Sore Spider answered on March 22, 2022 Popularity 10/10 Helpfulness 7/10

answer negative lookahead

related negative lookahead syntax

negative lookahead

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bar(?=bar)     finds the 1st bar ("bar" which has "bar" after it)
bar(?!bar)     finds the 2nd bar ("bar" which does not have "bar" after it)
(?<=foo)bar    finds the 1st bar ("bar" which has "foo" before it)
(?<!foo)bar    finds the 2nd bar ("bar" which does not have "foo" before it)

Popularity 10/10 Helpfulness 7/10 Language whatever

Source: stackoverflow.com

Tags: negative-lookahead whatever

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