Regular Expressions 101

Group prefix(?P<prefix>[A-Z\-]*)

Character Class[A-Z\-]*

*matches any number of characters from the set below:

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

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group device_series(?P<device_series>[98|99]+)

Character Class[98|99]+

+matches at least one character from the set below:

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

Group device_type(?P<device_type>(\d+(WDC)*)*)

Group 4(\d+(WDC)*)*

*repeats the group contents below any number of times:

\d+a digit, repeated at least once

Group 5(WDC)*

*repeats the group contents below any number of times:

WDCthe literal text WDC (case sensitive)

Group trim(?P<trim>[A-Z\-]+)

Character Class[A-Z\-]+

+matches at least one character from the set below:

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

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group rating(?P<rating>(F|Blank|M)+)

Group 8(F|Blank|M)+

+repeats the group contents below at least once:

1st AlternativeF

Fthe literal F (70₁₀ / 106₈ / 46₁₆) (case sensitive)

2nd AlternativeBlank

Blankthe literal text Blank (case sensitive)

3rd AlternativeM

Mthe literal M (77₁₀ / 115₈ / 4D₁₆) (case sensitive)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

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Search reference

Regular Expression

(?P<prefix>[A-Z\-]*)(?P<device_series>[98|99]+)(?P<device_type>(\d+(WDC)*)*)(?P<trim>[A-Z\-]+)-(?P<rating>(F|Blank|M)+)

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