57718be8fa
minus the vendor Makefiles Provide directions for how to bootstrap the vendor sources in FREEBSD-upgrade MFC after 2 weeks Discussed with: rpaulo Sponsored by: EMC / Isilon Storage Division
22 lines
677 B
Plaintext
22 lines
677 B
Plaintext
# back references, ugh
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a\(b\)\2c bC ESUBREG
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a\(b\1\)c bC ESUBREG
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a\(b*\)c\1d b abbcbbd abbcbbd bb
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a\(b*\)c\1d b abbcbd
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a\(b*\)c\1d b abbcbbbd
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^\(.\)\1 b abc
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a\([bc]\)\1d b abcdabbd abbd b
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a\(\([bc]\)\2\)*d b abbccd abbccd
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a\(\([bc]\)\2\)*d b abbcbd
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# actually, this next one probably ought to fail, but the spec is unclear
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a\(\(b\)*\2\)*d b abbbd abbbd
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# here is a case that no NFA implementation does right
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\(ab*\)[ab]*\1 b ababaaa ababaaa a
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# check out normal matching in the presence of back refs
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\(a\)\1bcd b aabcd aabcd
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\(a\)\1bc*d b aabcd aabcd
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\(a\)\1bc*d b aabd aabd
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\(a\)\1bc*d b aabcccd aabcccd
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\(a\)\1bc*[ce]d b aabcccd aabcccd
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^\(a\)\1b\(c\)*cd$ b aabcccd aabcccd
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