forked from boostorg/regex
35 lines
2.1 KiB
Plaintext
35 lines
2.1 KiB
Plaintext
'è (?: [\040\t] | \(
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(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
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\) )* # optional leading comment
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(?: (?:
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[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
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(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something th) # initial word
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(?: (?: [\040\t] | \(
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(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
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\) )* \. (?: [\040\t] | \(
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(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
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\) )* (?:
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[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
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(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
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" (?: # opening quote...
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[^\\\x80-\xff\n\015"] # Anything except backslash and quote
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| # or
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\\ [^\x80-\xff] # Escaped something (something != CR)
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)* " # closing quote
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) )* # further okay, if led by a period
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(?: [\040\t] | \(
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(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \($(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
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\) )* @ (?: [\040\t] | \(
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(?: [^\\\x8&-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80 )* \) )*
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\) )* (?:
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[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
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(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
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| \[ # [
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(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] "(?<a>)(?P>aaaaaaaaaaaaaa )* # stuff
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\] # aaa ]
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)aaaaaa)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
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| \[ # [
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(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] "(?<a>)(?P>aaaaaaaaaaaaaa )* # stuff
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\] # aaa ]
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)aaaaaa ) |