分享常用的工具类：
public class RegexUtil { /** * 判断密码强度 * 最少八个字符，至少一个大写字母，一个小写字母和一个数字 * @return boolean */ public static boolean passwordStrong(String passwordStr) { boolean flag = true; String patternStr = "^(?=.*[a-z])(?=.*[A-Z])(?=.*\\d)[a-zA-Z\\d]{8,}$"; Pattern pattern = Pattern.compile(patternStr); Matcher matcher = pattern.matcher(passwordStr); flag = matcher.matches(); return flag; } /** * 使用java正则表达式去掉多余的.与0 * * @param s * @return */ public static String subZeroAndDot(String s) { if (s.indexOf(".") > 0) { s = s.replaceAll("0+?$", "");// 去掉多余的0 s = s.replaceAll("[.]$", "");// 如最后一位是.则去掉 } return s; } private static RegexUtil regexUtil = new RegexUtil(); private RegexUtil() { // getHttpClient();. } public static RegexUtil getInstance() { return regexUtil; } public final static SimpleDateFormat daySdf = new SimpleDateFormat( "yyyy-MM-dd"); public final static SimpleDateFormat daymins = new SimpleDateFormat( "yyyy/MM/dd HH:mm:ss"); public final static SimpleDateFormat date4WithDraw = new SimpleDateFormat( "yyyy.MM.dd HH:mm"); public final static SimpleDateFormat dayChina = new SimpleDateFormat( "yyyy年MM月dd日"); public final static SimpleDateFormat enSdf = new SimpleDateFormat( "yyyyMMdd"); public final static SimpleDateFormat sdf_china = new SimpleDateFormat( "yyyy/MM/dd", Locale.CHINA); /*** * 获取两个日期之间的天数 * * @param time1 * @param time2 * @return */ public static long getQuot(String time1, String time2) { long quot = 0; try { Date date1 = daySdf.parse(time1); Date date2 = daySdf.parse(time2); quot = date1.getTime() - date2.getTime(); quot = quot / 1000 / 60 / 60 / 24; } catch (ParseException e) { e.printStackTrace(); } catch (Exception e) { // TODO: handle exception } return quot; } /** * 电话 * @param strTelNum * @return * @note */ public static boolean regexTelNum(String strTelNum) { boolean flag = true; String regExp = "^[1]([3][0-9]{1}|[4][0-9]{1}|[5][0-9]{1}|[6][0-9]{1}|[7][0-9]{1}|[8][0-9]{1})[0-9]{8}"; Pattern pattern = Pattern.compile(regExp); Matcher matcher = pattern.matcher(strTelNum); flag = matcher.matches(); return flag; } /** * * @param strTelNum * @return * @note */ public static boolean regexUrerName(String strTelNum) { boolean flag = true; String regExp = "^[a-zA-Z0-9_\u4e00-\u9fa5]+$"; Pattern pattern = Pattern.compile(regExp); Matcher matcher = pattern.matcher(strTelNum); flag = matcher.matches(); return flag; } // 过滤数字 public static int getNum(String str) { String regEx = "[^0-9]"; Pattern p = Pattern.compile(regEx); Matcher m = p.matcher(str); return Integer.parseInt(m.replaceAll("").trim()); } /** * * @param strEnter * @return * @note 判断用户输入的是否有特殊字符 */ public static boolean regexEnter(String strEnter) { boolean flag = true; String regExp = "[+-`~!@#$^&*()=|{}':;\",\\[\\].<>/?~！@#￥�?�?*（）—�?|｛｝《�?【�?·‘；：�?�?。，、？]"; Pattern pattern = Pattern.compile(regExp); for (int i = 0; i < strEnter.length(); i++) { char[] ca = new char[1]; ca[0] = strEnter.charAt(i); Matcher matcher = pattern.matcher(new String(ca)); flag = matcher.matches(); if (flag) { break; } } return flag; } public static boolean RegexName(String str) { boolean flag = true; Pattern pattern = Pattern.compile("^[a-zA-Z0-9_\u4e00-\u9fa5]+$"); Matcher matcher = pattern.matcher(str); flag = matcher.matches(); return flag; } // 过滤特殊字符 /** * * @param str * @return * @note 过滤特殊字符 */ public boolean stringFilter(String str) { boolean flag = true; // 只允许字母和数字 // String regEx = "[^a-zA-Z0-9]"; // 清除掉所有特殊字符 String regEx = "[`~#$%^&*()|'',\\[\\]<>/?~#￥%……&*——+|‘”“’]"; Pattern p = Pattern.compile(regEx); Matcher m = p.matcher(str); if (m.find()) { flag = false; } return flag; } // 过滤特殊字符 public static String StringFilter(String str) throws PatternSyntaxException { // 只允许字母和数字 // String regEx = "[^a-zA-Z0-9]"; // 清除掉所有特殊字符 String regEx = "[`~!@#$%^&*()+=|{}':;',//[//].<>/?~！@#￥%……&*（）——+|{}【】‘；：”“’。，、？]"; Pattern p = Pattern.compile(regEx); Matcher m = p.matcher(str); return m.replaceAll("").trim(); } // 校验邮箱 public static boolean emailFormat(String email) { boolean tag = false; final String pattern1 = "\\w+@(\\w+\\.)+[a-z]+$"; final Pattern pattern = Pattern.compile(pattern1); final Matcher mat = pattern.matcher(email); if (!mat.find()) { tag = true; } return tag; } // 校验密码 public boolean ckeckPass(String passWord) { if (passWord != null && passWord.matches("[0-9A-Za-z]*") == true) { return true; } else { return false; } } /*** * * @param cardId * @return */ public static boolean checkBankCard(String cardId) { char bit = getBankCardCheckCode(cardId .substring(0, cardId.length() - 1)); if (bit == 'N') { return false; } return cardId.charAt(cardId.length() - 1) == bit; } public static char getBankCardCheckCode(String nonCheckCodeCardId) { if (nonCheckCodeCardId == null || nonCheckCodeCardId.trim().length() == 0 || !nonCheckCodeCardId.matches("\\d+")) { // 如果传的不是数据返回N return 'N'; } char[] chs = nonCheckCodeCardId.trim().toCharArray(); int luhmSum = 0; for (int i = chs.length - 1, j = 0; i >= 0; i--, j++) { int k = chs[i] - '0'; if (j % 2 == 0) { k *= 2; k = k / 10 + k % 10; } luhmSum += k; } return (luhmSum % 10 == 0) ? '0' : (char) ((10 - luhmSum % 10) + '0'); } /** * * @param strPhysicianLicence * @return * @note */ public boolean regexPhysicianLicence(String strPhysicianLicence) { boolean flag = true; String regExp = "^[0-9]{16}"; Pattern pattern = Pattern.compile(regExp); Matcher matcher = pattern.matcher(strPhysicianLicence); flag = matcher.matches(); return flag; } // 格式化时间 public static String getTime(String dateStr) { SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy/MM/dd H:mm:ss"); SimpleDateFormat sdf2 = new SimpleDateFormat("yyyy-MM-dd"); String dateString = null; try { dateString = sdf2.format(sdf1.parse(dateStr)); } catch (ParseException e) { e.printStackTrace(); } return dateString; } /** * 检测String是否全是中文 * * @param name * @return */ public static boolean checkNameChese(String name) { boolean res = true; char[] cTemp = name.toCharArray(); for (int i = 0; i < name.length(); i++) { if (!isChinese(cTemp[i])) { res = false; break; } } return res; } /** * 判定输入汉字 * * @param c * @return */ public static boolean isChinese(char c) { Character.UnicodeBlock ub = Character.UnicodeBlock.of(c); if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS) { return true; } return false; } public static void setPricePoint(final EditText editText) { editText.addTextChangedListener(new TextWatcher() { @Override public void onTextChanged(CharSequence s, int start, int before, int count) { if (s.toString().contains(".")) { if (s.length() - 1 - s.toString().indexOf(".") > 1) { s = s.toString().subSequence(0, s.toString().indexOf(".") + 2); editText.setText(s); editText.setSelection(s.length()); } } if (s.toString().trim().substring(0).equals(".")) { s = "0" + s; editText.setText(s); editText.setSelection(2); } if (s.toString().startsWith("0") && s.toString().trim().length() > 1) { if (!s.toString().substring(1, 2).equals(".")) { editText.setText(s.subSequence(0, 1)); editText.setSelection(1); return; } } } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void afterTextChanged(Editable s) { // TODO Auto-generated method stub } }); } /** * 获取网落图片资源 * * @param path * @return */ public static Bitmap getBitmap(String path) throws IOException { URL url = new URL(path); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setConnectTimeout(5000); conn.setRequestMethod("GET"); if (conn.getResponseCode() == 200) { InputStream inputStream = conn.getInputStream(); Bitmap bitmap = BitmapFactory.decodeStream(inputStream); return bitmap; } return null; } }-END
