Negative Lookahead for Regex -

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what difference between:

^(?!.*baa)[abc]*$

and 

^(?!baa)[abc]*$

what role of .*. know means character 0 or more times why second 1 capture strings cccaabaa should discarded?

the difference between them is:

  1. ^(?!.*baa) requires baa not anywhere in input
  2. ^(?!baa) requires baa not @ the start of input

the .* allows between start ^ , baa.


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