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Diffstat (limited to 'src/pkg/regexp/syntax/doc.go')
| -rw-r--r-- | src/pkg/regexp/syntax/doc.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/pkg/regexp/syntax/doc.go b/src/pkg/regexp/syntax/doc.go index e52632ef7..8e72c90d3 100644 --- a/src/pkg/regexp/syntax/doc.go +++ b/src/pkg/regexp/syntax/doc.go @@ -46,6 +46,10 @@ Repetitions: x{n,}? n or more x, prefer fewer x{n}? exactly n x +Implementation restriction: The counting forms x{n} etc. (but not the other +forms x* etc.) have an upper limit of n=1000. Negative or higher explicit +counts yield the parse error ErrInvalidRepeatSize. + Grouping: (re) numbered capturing group (submatch) (?P<name>re) named & numbered capturing group (submatch) |