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gmarcon83 committed Apr 7, 2021
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11 changes: 11 additions & 0 deletions _JS - Regular Expressions .txt
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https://blog.bitsrc.io/a-beginners-guide-to-regular-expressions-regex-in-javascript-9c58feb27eb4

Expressões

/txt/ => Procura por txt;
Expand Down Expand Up @@ -50,3 +52,12 @@ funções:
// original em uma array;


Lookahead

Positivo => Testa se o elemento esta presente na string, mas não retorna ele;

(?=...) // a expressao a ser procurada é ...

Negativo => Positivo => Testa se o elemento não esta presente na string;

(?!...) // a expressao a ser procurada é ...

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