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by jwilk 3236 days ago
\{n\}, \{n,\} and \{n,m\} are all in POSIX.

\{,m\} is a (pretty obscure) GNU extensions.
1 comments
Hello71 3236 days ago
hm, I could've sworn it wasn't. http://www.regular-expressions.info/gnu.html says that \?, \+, and \| are GNU extensions though.
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