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This is a common and recommended validation pattern in Express.js applications to ensure that required text fields contain actual characters, not just whitespace. This is a common and recommended validation pattern in Express.js applications to ensure that required text fields contain actual characters, not just whitespace.

This is a common and recommended validation pattern in Express.js applications to ensure that required text fields contain actual characters, not just whitespace. This is a common and recommended validation pattern in Express.js applications to ensure that required text fields contain actual characters, not just whitespace.