regex101: Product model extractor

Explanation

Pro

Non-Capturing Group(?: \A | (?<= [\s\xA0\(\[\{]))

1st Alternative \A

\Astart of string

2nd Alternative (?<= [\s\xA0\(\[\{])

Positive Lookbehind(?<= [\s\xA0\(\[\{])

Character Class[\s\xA0\(\[\{]

\sa Unicode whitespace character

\xA0the literal (A0₁₆ / 240₈ / 160₁₀)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

Group MODEL(?P<MODEL> (?: (?: [A-ZА-Я]{4,6} (?! [\s\xA0] ) | (?! (?: D-Link | D-LINK | Asus | ASUS | USB ) [\s\xA0] ) [A-ZА-Я]{1,4} (?: \d [A-ZА-Я\d]{0,4} )? | \d{2,5} (?= [\-/] ) ) (?: (?! \s\d{1,2} - (?: Port | PORT ) ) [\s\xA0\-/\.] (?: \d{1,4} [A-ZА-Я\d]{0,4} | [A-ZА-Я]{1,4} [\-/]? \d{1,4} \w{0,8} | [A-ZА-Я] \w{3,6} ) (?: [\-/] [A-ZА-Я\d]{1,3} )? ){1,4} | \d{1,4} (?! [\s\xA0] USB [\s\xA0] ) [\s\xA0]? (?! [kкKК]? (?: [WВAА] | В[Тт] | W[Tt] | Ватт | Watts? | Амп | Amp | Ампер | Ampers? ) \b ) [A-ZА-Я] [A-ZА-Я\d]{0,5} | [A-ZА-Я]{1,4} \d [A-ZА-Я\d]{0,10} ) (?: [\-/] \w{1,6} (?: [\-/] \d{1,3} )? | (?: [\s\x0A] [A-ZА-Я\d]{1,5} (?: [\-/] [A-ZА-Я\d]{1,5} ){0,2} ){1,3} )? (?: \+ | [\s\xA0] (?: Plus | PLUS | Плюс | ПЛЮС) )? (?: [\s\xA0]? \( [A-ZА-Я\d\-/]{1,18} \) )? )

Non-Capturing Group(?: (?: [A-ZА-Я]{4,6} (?! [\s\xA0] ) | (?! (?: D-Link | D-LINK | Asus | ASUS | USB ) [\s\xA0] ) [A-ZА-Я]{1,4} (?: \d [A-ZА-Я\d]{0,4} )? | \d{2,5} (?= [\-/] ) ) (?: (?! \s\d{1,2} - (?: Port | PORT ) ) [\s\xA0\-/\.] (?: \d{1,4} [A-ZА-Я\d]{0,4} | [A-ZА-Я]{1,4} [\-/]? \d{1,4} \w{0,8} | [A-ZА-Я] \w{3,6} ) (?: [\-/] [A-ZА-Я\d]{1,3} )? ){1,4} | \d{1,4} (?! [\s\xA0] USB [\s\xA0] ) [\s\xA0]? (?! [kкKК]? (?: [WВAА] | В[Тт] | W[Tt] | Ватт | Watts? | Амп | Amp | Ампер | Ampers? ) \b ) [A-ZА-Я] [A-ZА-Я\d]{0,5} | [A-ZА-Я]{1,4} \d [A-ZА-Я\d]{0,10} )

1st Alternative (?: [A-ZА-Я]{4,6} (?! [\s\xA0] ) | (?! (?: D-Link | D-LINK | Asus | ASUS | USB ) [\s\xA0] ) [A-ZА-Я]{1,4} (?: \d [A-ZА-Я\d]{0,4} )? | \d{2,5} (?= [\-/] ) ) (?: (?! \s\d{1,2} - (?: Port | PORT ) ) [\s\xA0\-/\.] (?: \d{1,4} [A-ZА-Я\d]{0,4} | [A-ZА-Я]{1,4} [\-/]? \d{1,4} \w{0,8} | [A-ZА-Я] \w{3,6} ) (?: [\-/] [A-ZА-Я\d]{1,3} )? ){1,4}

Non-Capturing Group(?: [A-ZА-Я]{4,6} (?! [\s\xA0] ) | (?! (?: D-Link | D-LINK | Asus | ASUS | USB ) [\s\xA0] ) [A-ZА-Я]{1,4} (?: \d [A-ZА-Я\d]{0,4} )? | \d{2,5} (?= [\-/] ) )

1st Alternative [A-ZА-Я]{4,6} (?! [\s\xA0] )

Character Class[A-ZА-Я]{4,6}

{4,6}matches between 4 and 6 characters from the set below:

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

А-Яone character from А (1040₁₀) to Я (1071₁₀) (case sensitive)

Negative Lookahead(?! [\s\xA0] )

Character Class[\s\xA0]

\sa Unicode whitespace character

\xA0the literal (A0₁₆ / 240₈ / 160₁₀)

2nd Alternative (?! (?: D-Link | D-LINK | Asus | ASUS | USB ) [\s\xA0] ) [A-ZА-Я]{1,4} (?: \d [A-ZА-Я\d]{0,4} )?

Negative Lookahead(?! (?: D-Link | D-LINK | Asus | ASUS | USB ) [\s\xA0] )

Non-Capturing Group(?: D-Link | D-LINK | Asus | ASUS | USB )

1st Alternative D-Link

D-Link the literal text D-Link (case sensitive)

2nd Alternative D-LINK

D-LINK the literal text D-LINK (case sensitive)

3rd Alternative Asus

Asus the literal text Asus (case sensitive)

4th Alternative ASUS

ASUS the literal text ASUS (case sensitive)

5th Alternative USB

USB the literal text USB (case sensitive)

Character Class[\s\xA0]

\sa Unicode whitespace character

\xA0the literal (A0₁₆ / 240₈ / 160₁₀)

Character Class[A-ZА-Я]{1,4}

{1,4}matches between 1 and 4 characters from the set below:

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

А-Яone character from А (1040₁₀) to Я (1071₁₀) (case sensitive)

Non-Capturing Group(?: \d [A-ZА-Я\d]{0,4} )?

?repeats the group contents below at most once:

\da Unicode decimal digit

Character Class[A-ZА-Я\d]{0,4}

{0,4}matches between 0 and 4 characters from the set below:

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

А-Яone character from А (1040₁₀) to Я (1071₁₀) (case sensitive)

\da Unicode decimal digit

3rd Alternative \d{2,5} (?= [\-/] )

Non-Capturing Group(?: (?! \s\d{1,2} - (?: Port | PORT ) ) [\s\xA0\-/\.] (?: \d{1,4} [A-ZА-Я\d]{0,4} | [A-ZА-Я]{1,4} [\-/]? \d{1,4} \w{0,8} | [A-ZА-Я] \w{3,6} ) (?: [\-/] [A-ZА-Я\d]{1,3} )? ){1,4}

2nd Alternative \d{1,4} (?! [\s\xA0] USB [\s\xA0] ) [\s\xA0]? (?! [kкKК]? (?: [WВAА] | В[Тт] | W[Tt] | Ватт | Watts? | Амп | Amp | Ампер | Ampers? ) \b ) [A-ZА-Я] [A-ZА-Я\d]{0,5}

3rd Alternative [A-ZА-Я]{1,4} \d [A-ZА-Я\d]{0,10}

Non-Capturing Group(?: [\-/] \w{1,6} (?: [\-/] \d{1,3} )? | (?: [\s\x0A] [A-ZА-Я\d]{1,5} (?: [\-/] [A-ZА-Я\d]{1,5} ){0,2} ){1,3} )?

Non-Capturing Group(?: \+ | [\s\xA0] (?: Plus | PLUS | Плюс | ПЛЮС) )?

Non-Capturing Group(?: [\s\xA0]? \( [A-ZА-Я\d\-/]{1,18} \) )?

Positive Lookahead(?= \Z | [\s\xA0,\.\)\}\]] | (?<= \) ) [:;\-/] )

Global pattern flags

x modifier: extended. Ignores unescaped whitespace and comments outside character classes

u modifier: unicode. Makes \w, \W, \b, \B, \d, \D, \s, and \S use Unicode semantics (redundant in Python 3)

Quick Reference

25 tokens

Regular Expression

    (?: \A | (?<= [\s\xA0\(\[\{]))

    (?P<MODEL>
      (?:
        (?:
          [A-ZА-Я]{4,6} (?! [\s\xA0] )
        |
          (?! (?: D-Link | D-LINK | Asus | ASUS | USB ) [\s\xA0] )
          [A-ZА-Я]{1,4} (?: \d [A-ZА-Я\d]{0,4} )?
        |
          \d{2,5} (?= [\-/] )
        )
        (?:
          (?! \s\d{1,2} - (?: Port | PORT ) )
          [\s\xA0\-/\.]
          (?:
            \d{1,4} [A-ZА-Я\d]{0,4}
          |
            [A-ZА-Я]{1,4} [\-/]? \d{1,4} \w{0,8}
          |
            [A-ZА-Я] \w{3,6}
          )
          (?: [\-/] [A-ZА-Я\d]{1,3} )?
        ){1,4}
      |
        \d{1,4}
        (?! [\s\xA0] USB [\s\xA0] )
        [\s\xA0]?
        (?! [kкKК]? (?: [WВAА] | В[Тт] | W[Tt] | Ватт | Watts? | Амп | Amp | Ампер | Ampers? ) \b )
        [A-ZА-Я] [A-ZА-Я\d]{0,5}
      |
        [A-ZА-Я]{1,4} \d [A-ZА-Я\d]{0,10}
      )

      (?:
        [\-/] \w{1,6} (?: [\-/] \d{1,3} )?
      |
        (?: [\s\x0A] [A-ZА-Я\d]{1,5} (?: [\-/] [A-ZА-Я\d]{1,5} ){0,2} ){1,3}

Regular Expressions 101

Regular Expression

Unit Tests