Re^2: (OT) mysql regexp unwanted matches for specific IP

because

mysql> select state,d09,d07 from service where d07 like '%10.100.1.1%'
+;
+-------+--------------------------+--------------+
| state | d09                      | d07          |
+-------+--------------------------+--------------+
|     0 | cr1.pullpnt 25512        | 10.100.1.158 |
|     0 | Link PP2Prn 25506        | 10.100.1.157 |
|     0 | Link PP2Sol 25505        | 10.100.1.130 |
|     0 | CV2SOL 26754             | 10.100.1.138 |
|     0 | Link Sol2CV 26775        | 10.100.1.139 |
|     0 | Link Sol2PP 27014        | 10.100.1.131 |
|     0 | Link Princess2Pull 27016 | 10.100.1.154 |
|     0 | br1.glbx 28281           | 10.100.1.1   |
+-------+--------------------------+--------------+
8 rows in set (0.02 sec)
[download]

but I tried - thanks suggestion -


mysql> select state,d09,d07 from service where d07 like '%10.100.1.1';
+-------+----------------+------------+
| state | d09            | d07        |
+-------+----------------+------------+
|     0 | br1.glbx 28281 | 10.100.1.1 |
+-------+----------------+------------+
1 row in set (0.02 sec)
[download]

yes, I know perl site - a lot of wise monks - and regexp experts - tried mysql sites no help now you regexp experts, why the unexpected regexp behavior? is there something to learn here other than when to use regexp v. like?

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