Regular Expressions 101

^start of line

Group 1(\w+\s\w+(?:\s\w+)?)

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

\sa Unicode whitespace character

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

Non-Capturing Group(?:\s\w+)?

?repeats the group contents below at most once:

\sa Unicode whitespace character

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

\sa Unicode whitespace character

Group 2(\d{2}\.\d{2}\.\d{4})

\d{2}a Unicode decimal digit, repeated exactly 2 times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d{2}a Unicode decimal digit, repeated exactly 2 times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

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

\sa Unicode whitespace character

Group 3(\d+)

\d+a Unicode decimal digit, repeated at least once

$end of line

Global pattern flags

u modifier: unicode. Treats the pattern and subject as UTF-16

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

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

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Search reference

Regular Expression

^(\w+\s\w+(?:\s\w+)?)\s(\d{2}\.\d{2}\.\d{4})\s(\d+)$

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