select substr('0!027!033!P009JM!02721!0272106',
instr('0!027!033!P009JM!02721!0272106','!',2,3)+1,
instr('0!027!033!P009JM!02721!0272106','!',2,4)-1-instr('0!027!033!P009JM!02721!0272106','!',2,3)
)
from dual;
sql 截取某个字符第一次出现和最后一次出现之间的字符 截取指定两个位置的字符
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转载自cherryqq.iteye.com/blog/2280251
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