从varchar中删除其他零

Question

我想从字符串的开头删除所有零0：

SQL：

SELECT SUBSTR('00008800000006',0,7)  AS serno ,
       SUBSTR('00008800000006',8,14) AS lot
FROM dual ;

预期结果：

• SUBSTR（＆＃39; 00008800000006＆＃39;，0,7）=＆＃39; 0000880＆＃39; =＆GT; Serno =＆＃39; 880＆＃39;
• SUBSTR（＆＃39; 00008800000006＆＃39;，8,14）=＆＃39; 0000006＆＃39; =＆GT;很多=＆＃39; 6＆＃39;

Answer 1

如果您使用的是Oracle，可以试试这个：

select
 REGEXP_REPLACE(SUBSTR('00008800000006',0,7), '^0+(.*$)', '\1') as Serno,
 REGEXP_REPLACE(SUBSTR('00008800000006',8,14), '^0+(.*$)', '\1') as lot
 from dual;

<强> OUPUT

SERNO    LOT

880      6   

您也可以使用LTRIM

select
 ltrim(SUBSTR('00008800000006',0,7), '0') as Serno,
 ltrim(SUBSTR('00008800000006',8,14), '0') as lot
  from dual

<强> OUPUT

SERNO    LOT

880      6