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JavaScript Regular Expressions in JavaScript Validating a Form Validating a Password

Acknowledging online sources

Hey all,

In Joelโ€™s course on regular expressions, he discusses how there are likely already solutions to a number of regular expression needs available online.

He provides this snippet as an example:

/^(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).*$/

My question is about best practice in web development. To what extent should we be referencing or acknowledging the source when we take solutions we find online?

Interested in answer to this also!