I have input file as

```
ab,1,3,qqq,bbc
b,445,jj,abc
abcqwe,234,23,123
abc,12,bb,88
uirabc,33,99,66

```

I have to select the rows which has only 'abc'. And note that abc string can appear in any of the column. Please help me how to achieve this using awk.
Output:

```
b,445,jj,abc
abc,12,bb,88

```