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select '111' REGEXP '(\\w)\\1\\1';
| '111' REGEXP '(\w)\1\1' |
|---|
| 1 |
select '211' REGEXP '(\\w)\\1\\1';
| '211' REGEXP '(\w)\1\1' |
|---|
| 0 |
select '112' REGEXP '(\\w)\\1\\1';
| '112' REGEXP '(\w)\1\1' |
|---|
| 0 |