expr: Fix handling of regex range quantifiers by frendsick · Pull Request #8010 · uutils/coreutils
added 6 commits
Normally, `\{` begins a range quantifier like `{n,m}`, but at the start of
an expression, there is no preceding item to apply the quantifier to.
The closing brace without related opening brace is handled literally
It is handled in `verify_range_quantifier` function.
expr: Handle
expr: Fix handling of regex range quantifiers\{ literally at the start of a regex expression
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