正则表达式应用

select t.*,to_number(regexp_substr(t.st_order,'[0-9]*/.*')) as a from t_sys_module t order by to_number(regexp_substr(t.st_order,'[0-9]*/.*'))

 

 

1 8121367a-0078-4e2d-b5bc-035ae3e8209f         护照签证                   1.2                  1
2 7c0f62eb-67d7-4665-86f5-de673f5fd127            出国考察 出国            2                     2
3 b41cacab-3b72-4ea2-a030-1f6be58a4361          培训计划                  11.11              11
4 8121367a-0078-4e2d-b5bc-035ae3e8209g        111                         11.2                11

 

regexp_like()

regexp_instr()

regexp_substr()

regexp_replace()