Example usage for java.lang Character isDigit

Introduction

In this page you can find the example usage for java.lang Character isDigit.

Prototype

public static boolean isDigit(int codePoint) 

Source Link

Document

Determines if the specified character (Unicode code point) is a digit.

Usage

From source file:Main.java

/**
 * Remove none digital character from the decimal string that maybe contains
 * none digit character./*  w  w w  . j  a  v a 2  s.  c om*/
 *
 * @param decimal
 *            the decimal string.
 * @return the new digital string only contains digital character.
 */
public static String getPlain(String decimal) {
    if (TextUtils.isEmpty(decimal)) {
        decimal = "0";
    }
    char[] ch = new char[decimal.length()];
    int index = 0;
    for (int i = 0; i < decimal.length(); i++) {
        if (Character.isDigit(decimal.charAt(i))) {
            ch[index++] = decimal.charAt(i);
        }
    }
    return String.copyValueOf(ch, 0, index);
}

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From source file:Main.java

public static boolean isAddress(String address) {
    int i = 0, j = 0, k = 0, u = 0;
    int count = address.length();
    Pattern pattern = Pattern.compile("[\\u4e00-\\u9fa5]");
    Matcher m = pattern.matcher(address);
    while (m.find()) {
        i++;/*from w  w  w .j a va  2s .  c o m*/
    }
    for (int idx = 0; idx < count; idx++) {
        char c = address.charAt(idx);
        int tmp = (int) c;
        if ((tmp >= 'a' && tmp <= 'z') || (tmp >= 'A' && tmp <= 'Z')) {
            j++;
        }
        if (Character.isDigit(address.charAt(idx))) {
            k++;
        }
        if (c == ' ') {
            u++;
        }
    }
    if ((i + j + k + u) == count) {
        return true;
    } else {
        return false;
    }
}

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From source file:Main.java

public static boolean IsNumeric(String number) {
    for (int i = 0; i < number.length(); i++) {
        if (!Character.isDigit(number.charAt(i)))
            return false;
    }/*from  ww  w  . j  a v a  2  s.c  om*/

    return true;
}

---

From source file:Main.java

public static int searchChar(String str) {
    char[] c = str.toCharArray();
    int i = 0;//from  w w w. j  a  va2s. c  o  m
    for (i = 0; i < c.length; i++) {
        if (!Character.isDigit(c[i]))
            return i;
    }
    return 0;
}

---

From source file:edu.illinois.cs.cogcomp.ner.StringStatisticsUtils.MyString.java

public static String cleanPunctuation(String s) {
    StringBuilder res = new StringBuilder(s.length());
    for (int i = 0; i < s.length(); i++) {
        char c = s.charAt(i);
        if (Character.isLetter(c) || Character.isDigit(c))
            res.append(c);//from w w w .  j a  va  2  s  .co  m
    }
    return res.toString();
}

---

From source file:Main.java

public static int getAddressTypeFor(String address) {
    boolean international = false;
    // strip any + to simplify checks
    // but presence of + automatically assumes an
    // international style address
    if (address.startsWith("+")) {
        international = true;//from w  w  w .  j  a  v  a  2s.co m
        address = address.substring(1);
    }
    for (int i = 0; i < address.length(); i++) {
        if (!Character.isDigit(address.charAt(i))) {
            // check if alphanumeric
            return createAddressType(ADDRESS_TYPE_ALPHANUMERIC);
        }
    }
    if (international) {
        return createAddressType(ADDRESS_TYPE_INTERNATIONAL | ADDRESS_NUMBER_PLAN_ID_TELEPHONE);
    } else {
        return createAddressType(ADDRESS_TYPE_UNKNOWN | ADDRESS_NUMBER_PLAN_ID_TELEPHONE);
    }
}

---

From source file:Main.java

public static long getTimeAsMillisecs(final Object iSize) {
    if (iSize == null)
        throw new IllegalArgumentException("Time is null");

    if (iSize instanceof Number)
        // MILLISECS
        return ((Number) iSize).longValue();

    String time = iSize.toString();

    boolean number = true;
    for (int i = time.length() - 1; i >= 0; --i) {
        if (!Character.isDigit(time.charAt(i))) {
            number = false;/* w w  w.  ja v  a 2 s  .co  m*/
            break;
        }
    }

    if (number)
        // MILLISECS
        return Long.parseLong(time);
    else {
        time = time.toUpperCase(Locale.ENGLISH);

        int pos = time.indexOf("MS");
        if (pos > -1)
            return Long.parseLong(time.substring(0, pos));

        pos = time.indexOf("S");
        if (pos > -1)
            return Long.parseLong(time.substring(0, pos)) * SECOND;

        pos = time.indexOf("M");
        if (pos > -1)
            return Long.parseLong(time.substring(0, pos)) * MINUTE;

        pos = time.indexOf("H");
        if (pos > -1)
            return Long.parseLong(time.substring(0, pos)) * HOUR;

        pos = time.indexOf("D");
        if (pos > -1)
            return Long.parseLong(time.substring(0, pos)) * DAY;

        pos = time.indexOf('W');
        if (pos > -1)
            return Long.parseLong(time.substring(0, pos)) * WEEK;

        pos = time.indexOf('Y');
        if (pos > -1)
            return Long.parseLong(time.substring(0, pos)) * YEAR;

        // RE-THROW THE EXCEPTION
        throw new IllegalArgumentException("Time '" + time + "' has a unrecognizable format");
    }
}

---

From source file:Main.java

public static final int compareNatural(String firstString, String secondString) {
    int firstIndex = 0;
    int secondIndex = 0;

    Collator collator = Collator.getInstance();

    while (true) {
        if (firstIndex == firstString.length() && secondIndex == secondString.length()) {
            return 0;
        }//from  www  . j  av  a 2 s. c  o m
        if (firstIndex == firstString.length()) {
            return -1;
        }
        if (secondIndex == secondString.length()) {
            return 1;
        }

        if (Character.isDigit(firstString.charAt(firstIndex))
                && Character.isDigit(secondString.charAt(secondIndex))) {
            int firstZeroCount = 0;
            while (firstString.charAt(firstIndex) == '0') {
                firstZeroCount++;
                firstIndex++;
                if (firstIndex == firstString.length()) {
                    break;
                }
            }
            int secondZeroCount = 0;
            while (secondString.charAt(secondIndex) == '0') {
                secondZeroCount++;
                secondIndex++;
                if (secondIndex == secondString.length()) {
                    break;
                }
            }
            if ((firstIndex == firstString.length() || !Character.isDigit(firstString.charAt(firstIndex)))
                    && (secondIndex == secondString.length()
                            || !Character.isDigit(secondString.charAt(secondIndex)))) {
                continue;
            }
            if ((firstIndex == firstString.length() || !Character.isDigit(firstString.charAt(firstIndex)))
                    && !(secondIndex == secondString.length()
                            || !Character.isDigit(secondString.charAt(secondIndex)))) {
                return -1;
            }
            if ((secondIndex == secondString.length()
                    || !Character.isDigit(secondString.charAt(secondIndex)))) {
                return 1;
            }

            int diff = 0;
            do {
                if (diff == 0) {
                    diff = firstString.charAt(firstIndex) - secondString.charAt(secondIndex);
                }
                firstIndex++;
                secondIndex++;
                if (firstIndex == firstString.length() && secondIndex == secondString.length()) {
                    return diff != 0 ? diff : firstZeroCount - secondZeroCount;
                }
                if (firstIndex == firstString.length()) {
                    if (diff == 0) {
                        return -1;
                    }
                    return Character.isDigit(secondString.charAt(secondIndex)) ? -1 : diff;
                }
                if (secondIndex == secondString.length()) {
                    if (diff == 0) {
                        return 1;
                    }
                    return Character.isDigit(firstString.charAt(firstIndex)) ? 1 : diff;
                }
                if (!Character.isDigit(firstString.charAt(firstIndex))
                        && !Character.isDigit(secondString.charAt(secondIndex))) {
                    if (diff != 0) {
                        return diff;
                    }
                    break;
                }
                if (!Character.isDigit(firstString.charAt(firstIndex))) {
                    return -1;
                }
                if (!Character.isDigit(secondString.charAt(secondIndex))) {
                    return 1;
                }
            } while (true);
        } else {
            int aw = firstIndex;
            int bw = secondIndex;
            do {
                firstIndex++;
            } while (firstIndex < firstString.length() && !Character.isDigit(firstString.charAt(firstIndex)));
            do {
                secondIndex++;
            } while (secondIndex < secondString.length()
                    && !Character.isDigit(secondString.charAt(secondIndex)));

            String as = firstString.substring(aw, firstIndex);
            String bs = secondString.substring(bw, secondIndex);
            int subwordResult = collator.compare(as, bs);
            if (subwordResult != 0) {
                return subwordResult;
            }
        }
    }
}

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From source file:gov.gtas.parsers.util.FlightUtils.java

/**
 * Separate flight carrier and flight number from single input string.
 * @param s/*from   ww  w .  j  a  v a2 s.c om*/
 * @return
 */
public static FlightNumber separateCarrierAndFlightNumber(String s) {

    StringBuffer fn = new StringBuffer();
    int j;
    for (j = s.length() - 1; j >= 0; j--) {
        char c = s.charAt(j);
        if (Character.isDigit(c)) {
            fn.append(c);
            if (s.length() - fn.length() == MIN_CARRIER_LENG) {
                break;
            } else if (fn.length() == MAX_FLIGHT_NUM_LENG) {
                break;
            }
        } else {
            break;
        }
    }

    String carrier = s.substring(0, s.length() - fn.length());
    return new FlightNumber(carrier, fn.reverse().toString());
}

---

From source file:Main.java

public static String getBaseName(String name, boolean bracketed) {
    String result = name;//w  w w .  j a v a  2  s  .  c o  m
    if (bracketed) {
        if (result.charAt(result.length() - 1) != ')')
            return name;
        result = result.substring(0, result.length() - 1);
    }
    while (Character.isDigit(result.charAt(result.length() - 1)))
        result = result.substring(0, result.length() - 1);
    if (bracketed) {
        if (!result.substring(result.length() - 2).equals(" (")) //$NON-NLS-1$
            return name;
        result = result.substring(0, result.length() - 2);
    }
    return result;
}

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