Regular Expressions 101

1st Alternative^.*Ethernet[\d][\/][\d].*$

^start of string

.*any character (except for line terminators), repeated any number of times

Ethernetthe literal text Ethernet (case insensitive)

Character Class[\d]

\da digit

Character Class[\/]

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Character Class[\d]

\da digit

.*any character (except for line terminators), repeated any number of times

$end of string, or before its final line terminator

2nd Alternative^\w\d{1,2}$

^start of string

\wany word character

\d{1,2}a digit, repeated between 1 and 2 times

$end of string, or before its final line terminator

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

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25 tokens

Regular Expression

^.*Ethernet[\d][\/][\d].*$|^\w\d{1,2}$

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