Regular Expressions 101

Pro

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 1(\w+(?: [\w&]+)*, \d{4}(?:; \w+(?: [\w&]+)*, \d{4})*)

\w+a Unicode word character, repeated at least once

Non-Capturing Group(?: [\w&]+)*

*repeats the group contents below any number of times:

the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[\w&]+

+matches at least one character from the set below:

\wa Unicode word character

&the literal & (38₁₀ / 46₈ / 26₁₆)

, the literal text ,

\d{4}a Unicode decimal digit, repeated exactly 4 times

Non-Capturing Group(?:; \w+(?: [\w&]+)*, \d{4})*

*repeats the group contents below any number of times:

; the literal text ;

\w+a Unicode word character, repeated at least once

Non-Capturing Group(?: [\w&]+)*

*repeats the group contents below any number of times:

the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[\w&]+

+matches at least one character from the set below:

\wa Unicode word character

&the literal & (38₁₀ / 46₈ / 26₁₆)

, the literal text ,

\d{4}a Unicode decimal digit, repeated exactly 4 times

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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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25 tokens

\((\w+(?: [\w&]+)*, \d{4}(?:; \w+(?: [\w&]+)*, \d{4})*)\)

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