最近项目需要,要把一行字符串里面的电话号码识别出来,并且转换成可以直接在手机上拨打连接。用正则写了一个,初步测试好像能用。记下来,有用的时候可以用用。
直接代码:

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * @author Master
 *
 */
public class TelNoUtil
{
	private static final int MIN_TELNO_LEN = 3;

        //识别电话号码
	public static List<String> parseTelNo(String str)
	{
		List<String> telNo = new ArrayList<String>();
		String strNo = null;

		if(null == str || str.length() <= 0) {
			return telNo;
		}

		Pattern p = Pattern.compile("(\\(?\\d+\\)?\\-?)?\\d+(\\-?\\d+)*");
		Matcher m = p.matcher(str);
		while (m.find()) {
			strNo = m.group();
			if(strNo.length() >= MIN_TELNO_LEN) {
				telNo.add(m.group());
			}
		}

        return telNo;
	}
	//将识别出来的电话号码处理为一个只有数字的号码
	public static String parseTelNoToDail(String strTelNo)
	{
		StringBuffer sbrDailNo = new StringBuffer();

		Pattern p = Pattern.compile("\\d+");
		Matcher m = p.matcher(strTelNo);
		while (m.find()) {
			sbrDailNo.append(m.group());
		}

		return sbrDailNo.toString();
	}

	//将识别出来的电话号码生成为一个拨打链接
	public static String telNoToLink(String strTelString)
	{
		StringBuffer sbrTelLink = new StringBuffer();

		if(null != strTelString && strTelString.length()>0) {
			sbrTelLink.append("<a ");
			sbrTelLink.append("href=\"tel:");
			sbrTelLink.append(parseTelNoToDail(strTelString));
			sbrTelLink.append("\">");
			sbrTelLink.append(XmlString.CheckReservedString(strTelString));
			sbrTelLink.append("</a>");			
		}

		return sbrTelLink.toString();
	}
	//直接调用的函数,将字符串中电话号码替换成TEL链接
	public static String detectionTelNo(String str)
	{
		List<String> telNo = parseTelNo(str);

		for(String strTelNo:telNo){
			System.out.println(strTelNo);
			str = str.replace(strTelNo, telNoToLink(strTelNo));
		}

		return str;
	}
}