Example usage for java.lang String matches

Introduction

In this page you can find the example usage for java.lang String matches.

Prototype

public boolean matches(String regex)

Source Link

Document

Tells whether or not this string matches the given regular expression.

Usage

From source file:MainClass.java

public static boolean validateLastName(String lastName) {
    return lastName.matches("[a-zA-z]+([ '-][a-zA-Z]+)*");
}

From source file:MainClass.java

public static boolean validateFirstName(String firstName) {
    return firstName.matches("[A-Z][a-zA-Z]*");
}

From source file:GetNumber.java

public static Number process(String s) {
    if (s.matches(".*[.dDeEfF]")) {
        try {/*from www  .ja  v  a 2  s. c o m*/
            double dValue = Double.parseDouble(s);
            System.out.println("It's a double: " + dValue);
            return new Double(dValue);
        } catch (NumberFormatException e) {
            System.out.println("Invalid a double: " + s);
            return NAN;
        }
    } else // did not contain . d e or f, so try as int.
        try {
            int iValue = Integer.parseInt(s);
            System.out.println("It's an int: " + iValue);
            return new Integer(iValue);
        } catch (NumberFormatException e2) {
            System.out.println("Not a number:" + s);
            return NAN;
        }
}

From source file:Main.java

public static boolean isValidMD5(String s) {
    return s.matches("[a-fA-F0-9]{32}");
}

From source file:Main.java

public static boolean isYouTubeURL(String url) {
    return url.matches("http[s]://www\\.youtube\\.[a-z]{2,3}(\\.[a-z]{2})?/.*");
}

From source file:Main.java

public static boolean isNum(String str) {
    return str.matches("^[-+]?(([0-9]+)([.]([0-9]{1,2}))?|([.]([0-9]{1,2}))?)$");
}

From source file:Main.java

public static boolean isNumeric(String str) {
    return str.matches("-?\\d+(\\.\\d+)?"); //match a number with optional '-' and decimal.
}

From source file:Main.java

public static boolean isNumeric(String str) {
    return str.matches("(-)?\\d*.\\d*(-)?(E)?(-)?\\d*"); //use RegEx to match, can handle SciNo numbers as well
}

From source file:Main.java

public static boolean isNumber(String str) {
    return str.matches("^[-+]?(([0-9]+)([.]([0-9]+))?|([.]([0-9]+))?)$");
}

From source file:Main.java

public static boolean isOnlyNum(String str) {
    return str.matches("[0-9]+");
}