Is a Java Code for extracting Email, and phone Numbers from text, files, etc. Explanation:
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The code defines a PhoneNumberFilter class with a filterNumbers method that takes an array of phone numbers as input and returns a list of valid phone numbers.
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We define a regular expression pattern ^(235|0806)\d{8}$. This pattern matches strings that start with either "235" or "0806", followed by eight digits.
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We compile the pattern using Pattern.compile(pattern).
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We iterate over the input phone numbers and create a Matcherobject for each number using the compiled pattern.
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We call the matcher.matches()method to check if the phone number matches the pattern. If it does, we add it to the validNumbers list.
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Finally, the main method demonstrates how to use the filterNumbers method with sample phone numbers and prints the filtered list.
This code provides a basic example of searching and filtering phone numbers based on specific criteria. You can further refine the code by:
=> Adding more patterns for other valid Nigerian phone number prefixes. => Implementing additional validation checks, such as verifying the country code (e.g., +234). => Handling invalid phone numbers gracefully by providing informative error messages.
Remember, it's important to use phone number filtering in a responsible and ethical manner, avoiding discrimination or targeting based on sensitive attributes.
This license is licensed under the MIT license
This Code can extract phone numbers from files, webpages, etc. from