- 简要
- 代码
- 结果：
根据百度百科最新手机号码规则，编写的手机号合法判断自定义函数
链接: 百度百科最新手机号码规则.
此处仅实现了11位手机号码的实现方式
import com.bigdata.hive.Tools.StringTools;
import org.apache.hadoop.hive.ql.exec.Description;
import org.apache.hadoop.hive.ql.exec.UDF;
public class UdfIsPhone extends UDF {
@Description(
name = "udf_is_phone",
value = "_FUNC_(str) - Returns str is phone?0:1",
extended = "Example:n > SELECt _FUNC_('15593126538') FROM dual LIMIT 1;n return 1 "
)
static String[] regex = {"^1[3,5,9][0-35-9]\d{8}$","^134[0-8]\d{8}$","^14[5,7,9]\d{8}$","^166\d{8}$","^17[2,3,5,6,7,8]\d{8}$","^18\d{9}$"};
public int evaluate(final String s) {
if (StringTools.isNotNull(s)) {
for( int i=0 ;i
结果：
