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Popularity Can Be Measured
Sometimes we deal with questions of popularity, and we need a way to collect opinions from our clients. This article shows a simple teaching example of how we might elect a favorite color by letting our clients vote for …
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions.
Consider email address RFCs:
Look at HTML5 form input element (with type=email) regex pattern: