sql - extract valid IP from a field in oracle DB in C -

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i facing problem in c language extract valid ip(v4 , v6) oracle db example.

1, if field having ip : 10.2.33.4.5-34 should able extract 10.2.33.4 only

2, if field have abc-100.2.33.4.545 extract 100.2.33.4

hope there solution in c .

thanks , regards, mohib

str1[]="10.2.33.4.5-34"  substr(1,11,str1);  str2[]="abc-100.2.33.4.545"  substr(5,14,str2)

the above code should used in c.


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