Regular Expressions 101

Explanation
Pro

1st Alternative(?<=>>)(\w+):

Positive Lookbehind(?<=>>)

>>the literal text >>

Group 1(\w+)

\w+any word character, repeated at least once

:the literal : (58₁₀ / 72₈ / 3A₁₆)

2nd Alternative([\w#]+)\s*=\s*(\S+?)(?:,|\s)

Group 2([\w#]+)

Character Class[\w#]+

+matches at least one character from the set below:

\wany word character

#the literal # (35₁₀ / 43₈ / 23₁₆)

\s*any whitespace character, repeated any number of times

=the literal = (61₁₀ / 75₈ / 3D₁₆)

\s*any whitespace character, repeated any number of times

Group 3(\S+?)

\S+?any non-whitespace character, repeated at least once

Non-Capturing Group(?:,|\s)

1st Alternative,

,the literal , (44₁₀ / 54₈ / 2C₁₆)

2nd Alternative\s

\sany whitespace character

Global pattern flags

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

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

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25 tokens

(?<=>>)(\w+):|([\w#]+)\s*=\s*(\S+?)(?:,|\s)

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