多个分隔符字符串拆分

--利用instr函数查找分隔符第一次出现的位置

instr(p.str_text, ':',1,1)
原表数据：

--第二次拆分按冒号'：'分隔的字符串
select 
     p.str_text,
     TRIM(substr(p.str_text, 0, instr(p.str_text, ':')-1)) as KM1,
     substr(p.str_text, instr(p.str_text, ':',1,1)+1,instr(p.str_text, ':',1,2)-instr(p.str_text, ':',1,1)-1) AS KM2,
     substr(p.str_text, instr(p.str_text, ':',1,2)+1,instr(p.str_text, ':',1,3)-instr(p.str_text, ':',1,2)-1) AS KM3,
     substr(p.str_text, instr(p.str_text, ':',1,3)+1,length(p.str_text)-instr(p.str_text, ':',1,3)) AS KM4

from (
--第一次拆分按分号';'分隔的字符串
select 
   distinct regexp_substr(pp.str_text, '[^;]+', 1, level) as str_text
  from  
  fine_report_temp pp
  where  pp.data_type='1'
 connect by regexp_substr(pp.str_text, '[^;]+', 1, level) is not null 
 )  p