Phone Number validation in java

Regular expression phone number validation in java

This example code is for phone number validation in java using regular expression and for internet protocol address validation in java

/**
 *
 * @author belazy
 * @version validates1.0
 */
public class Validator implements ValidaterInterface {


/**
 *
 * @see deeps
 * @param
 * @return boolean
 * Description : phone number validator
 * Date : Sep 19, 2007
 * Coded by : belazy
 */
public boolean phoneNumberValidator(String phoneNumber) {
        boolean isValid = false;
        String expression = "^\\(?(\\d{3})\\)?[- ]?(\\d{3})[- ]?(\\d{4})$";
        CharSequence inputStr = phoneNumber;
        Pattern pattern = Pattern.compile(expression);
        Matcher matcher = pattern.matcher(inputStr);
        if (matcher.matches()) {
            isValid = true;
        }
        return isValid;
    }

/**
 *
 * @see deeps
 * @param
 * @return boolean
 * Description : ip v4 validator
 * Date : Sep 19, 2007
 * Coded by : belazy
 */
public boolean ipaddressV4Validator(String ip) {
        String[] parts = ip.split("\\.");
        if (parts.length < 5) {
            for (String s : parts) {
                int i = Integer.parseInt(s);
                if (i < 0 || i > 255) {
                    return false;
                }
            }
        } else {
            return false;
        }
        return true;
    }


}

To trace the caller details in your java apps you can use true caller api

True caller API Documentation 


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