Regular Expressions 101

^start of line

Group 1(.*?)

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

\s+any whitespace character, repeated at least once

Group 2(\d{1,2}:\d{1,2} [AP]M)

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

:the literal : (58₁₀ / 72₈ / 3A₁₆)

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

the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[AP]

Athe literal A (65₁₀ / 101₈ / 41₁₆) (case sensitive)

Pthe literal P (80₁₀ / 120₈ / 50₁₆) (case sensitive)

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

$end of line

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

^(.*?)\s+(\d{1,2}:\d{1,2} [AP]M)$

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