package com.emato.ich.contant; import java.util.ArrayList; import java.util.List; /** * 扫描枪需要过滤的值的正则表达式 */ public class ScanGunConstant { private static final List patterns = new ArrayList<>(); private static final String protocol = "^[a-zA-Z0-9]+$"; static { patterns.add(protocol); } public static List getPatterns() { return patterns; } }