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redshift sql using regular expression to get first, second, third values from a string which is like
| Author | Votes | Δ |
|---|---|---|
| Kaspa Phani Vardhan | 2 | +6.35 |
| Wiktor Stribiżew | 0 | -0.79 |
Last visited: Sep 27, 2018, 4:49:32 PM