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\{n\}, \{n,\} and \{n,m\} are all in POSIX. \{,m\} is a (pretty obscure) GNU extensions.
by jwilk 9y ago
\{n\}, \{n,\} and \{n,m\} are all in POSIX.
\{,m\} is a (pretty obscure) GNU extensions.
- Hello71 9y agohm, I could've sworn it wasn't. http://www.regular-expressions.info/gnu.html http://www.regular-expressions.info/gnu.html says that \?, \+, and \| are GNU extensions though.