这里我们提取了用户的姓名、年龄和性别。 2.2 使用REGEXP_SUBSTR函数 在MySQL 8.0 及更高版本中,我们还可以使用REGEXP_SUBSTR函数进行更复杂的字符串匹配。 示例 假设我们想从相同的user_info提取用户的年龄信息,可以使用正则表达式: SELECTREGEXP_SUBSTR(user_info,'[0-9]+')ASuser_ageFROMusers; 1. 2. 3. ...
REGEXP_REPLACE/REGEXP_SUBSTR/REGEXT_INSTR select f_content, regexp_replace(f_content, '\d{11}', '<phone_number>') as f_template from (select '我的电话号码是13920656789,我家的邮编是300160。' as f_content from dual union all select '快递已经给您放小区菜鸟驿站了,有问题打电话18632145678。...
select REGEXP_SUBSTR(a.file_url ,'[^,]+',1,l) as file_url from reply_file a, (SELECT LEVEL l FROM DUAL CONNECT BY LEVEL<=100) b WHERE l <=LENGTH(a.file_url) - LENGTH(REPLACE(file_url,','))+1; 查询有重复的语句:(having 对group后的组进行过滤,筛选。某些条件可用where替换) se...
create or replace function split_part(string varchar2, delimiter varchar2, position pls_integer) return varchar2 SQL_MACRO(Scalar) is begin return q'{ regexp_substr(replace(string, delimiter||delimiter, delimiter||' '||delimiter), '[^'||delimiter||']+', 1, position, 'imx') }'; end;...
REGEXP_REPLACE/REGEXP_SUBSTR/REGEXT_INSTR select f_content, regexp_replace(f_content, '\d{11}', '<phone_number>') as f_template from (select '我的电话号码是13920656789,我家的邮编是300160。' as f_content from dual union all select '快递已经给您放小区菜鸟驿站了,有问题打电话18632145678。
select wm_concat(decode(a,'01','aa',a)) from (select regexp_substr(t.gwys_1,'[^,]+',1,rownum) a,t.pk_dyccqsfjlb_id id from mchis.jdh_mcheck_first t connect by rownum 相关知识点: 试题来源: 解析 只是替换01变为aa,直接用replace不就行了完了: select REPLACE(t.gwys_1,'01',...
sqlCopy code SELECT address, REGEXP(substr(address, 1, instr(address, ' ')-1), '(\w+)$'...
5、字符串截取函数:substr,substring 6、字符串转大写函数:upper,ucase 7、字符串转小写函数:lower,lcase 8、去空格函数:trim,ltrim,rtrim 9、正则表达式替换函数:regexp_replace 10、正则表达式解析函数:regexp_extract 11、URL解析函数:parse_url 12、json解析函数:get_json_object ...
oracle高手进为什么这样差不出值来,数据库中是有值的select wm_concat(decode(a,'01','aa',a)) from (select regexp_substr(t.gwys_1,'[^,]+',1,rownum) a,t.pk_dyccqsfjlb_id id from mchis.jdh_mcheck_first t connect by rownum
SELECT distinct U.USERID, U.ROLES, T.ROLES FROM USERS U CROSS JOIN table( cast(multiset( select level from dual connect by level <= regexp_count(U.ROLES, ':') + 1) as sys.odcinumberlist) ) lvls JOIN TEXT_MSG T ON ':' || T.ROLES || ':' LIKE '%:' || REGEXP_SUBSTR(U...