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Regex for URIs

These regex are directly derived from the collected ABNF in RFC3986
(except for DIGIT, ALPHA and HEXDIG, defined by RFC2234).

They should be processed with re.VERBOSE.

Thanks Mark Nottingham for this code - https://gist.github.com/138549
�Nz[\x30-\x39]z[\x41-\x5A\x61-\x7A]z[\x30-\x39A-Fa-f]z %% %(HEXDIG)s %(HEXDIG)sz-(?: %(ALPHA)s | %(DIGIT)s | \- | \. | _ | ~ )z#(?: : | / | \? | \# | \[ | \] | @ )zI(?: ! | \$ | & | ' | \( | \) |
                     \* | \+ | , | ; | = )z?(?: %(unreserved)s | %(pct_encoded)s | %(sub_delims)s | : | @ )z%(?: %(gen_delims)s | %(sub_delims)s )z5%(ALPHA)s (?: %(ALPHA)s | %(DIGIT)s | \+ | \- | \. )*z�(?: %(DIGIT)s |
                    [\x31-\x39] %(DIGIT)s |
                    1 %(DIGIT)s{2} |
                    2 [\x30-\x34] %(DIGIT)s |
                    25 [\x30-\x35]
                )
z@%(dec_octet)s \. %(dec_octet)s \. %(dec_octet)s \. %(dec_octet)sz#([A-Fa-f0-9:]+[:$])[A-Fa-f0-9]{1,4}z;v %(HEXDIG)s+ \. (?: %(unreserved)s | %(sub_delims)s | : )+z+\[ (?: %(IPv6address)s | %(IPvFuture)s ) \]z8(?: %(unreserved)s | %(pct_encoded)s | %(sub_delims)s )*z;(?: %(unreserved)s | %(pct_encoded)s | %(sub_delims)s | : )z5(?: %(IP_literal)s | %(IPv4address)s | %(reg_name)s )z(?: %(DIGIT)s )*z.(?: %(userinfo)s @)? %(host)s (?: : %(port)s)?z
%(pchar)s*z
%(pchar)s+z<(?: %(unreserved)s | %(pct_encoded)s | %(sub_delims)s | @ )+z(?: / %(segment)s )*z,/ (?: %(segment_nz)s (?: / %(segment)s )* )?z&%(segment_nz_nc)s (?: / %(segment)s )*z#%(segment_nz)s (?: / %(segment)s )*�z�(?: %(path_abempty)s |
               %(path_absolute)s |
               %(path_noscheme)s |
               %(path_rootless)s |
               %(path_empty)s
            )
z(?: %(pchar)s | / | \? )*z�(?: (?: // %(authority)s %(path_abempty)s ) |
                    %(path_absolute)s |
                    %(path_rootless)s |
                    %(path_empty)s
                )
z�(?: (?: // %(authority)s %(path_abempty)s ) |
                        %(path_absolute)s |
                        %(path_noscheme)s |
                        %(path_empty)s
                    )
z:%(relative_part)s (?: \? %(query)s)? (?: \# %(fragment)s)?zM^(?: %(scheme)s : %(hier_part)s (?: \? %(query)s )? (?: \# %(fragment)s )? )$z"^(?: %(URI)s | %(relative_ref)s )$z6^(?: %(scheme)s : %(hier_part)s (?: \? %(query)s )? )$c

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URI_referencerr	rrr�is_uri_reference�rrc

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