com.github.fosin.cdp.util.NumberUtil Maven / Gradle / Ivy

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package com.github.fosin.cdp.util;

import java.util.regex.Pattern;

/**
 * Description:
 *
 * @author fosin
 * @date 2018.7.31
 * @version $Id: $
 */
public class NumberUtil {
    /*
     * 判断是否为整数
     * @param str 传入的字符串
     * @return 是整数返回true,否则返回false
     */

    /**
     * isInteger
     *
     * @param str a {@link java.lang.String} object.
     * @return a boolean.
     */
    public static boolean isInteger(String str) {
        Pattern pattern = Pattern.compile("^[-\\+]?[\\d]*$");
        return pattern.matcher(str).matches();
    }
}