Java Matcher Method detecting if a string contains an expression.

//package com.java2s;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    /**/*w   w  w  . d    e m   o  2s  .   c   o m */
     * Method detecting if a string contains an expression.
     * @param str
     * @param regex
     * @return
     */
    public static boolean containsRegularExpression(String str, String regex) {
        boolean returnValue = false;

        Pattern p = Pattern.compile(regex);
        Matcher m = p.matcher(str);
        if (m.find()) {
            returnValue = true;
        }

        return returnValue;
    }
}