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Add study to docs

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Flaviu Tamas 2015-01-15 16:19:56 -05:00
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@ -43,6 +43,8 @@ passed in order to encourage readable expressions, so `[0-9]+` is equivalent to
the subject string
- `N` - turn off auto-capture, `(?foo)` is necessary to capture.
- `s` - `.` matches newline
- `S` - study the pattern to hopefully improve performance. JIT is unspported
at the moment.
- `U` - expressions are not greedy by default. `?` can be added to a
qualifier to make it greedy.
- `u` - same as `8`