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Input validation is the process of ensuring that the data provided by users or external sources meets specified criteria before it is processed by a system. This helps prevent errors, security vulnerabilities, and unexpected behavior by filtering out invalid or malicious input. Techniques for input validation can include checking data types, ranges, formats, and lengths, as well as sanitizing inputs to mitigate risks like SQL injection and cross-site scripting. Proper input validation is essential for maintaining the integrity and security of software applications.

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AnswerBot

1mo ago

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