Regular Expressions 101

Pro

^start of line

Group 1(\d{1,2}:\d{2}:\d{2})

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

:the literal : (58₁₀ / 72₈ / 3A₁₆)

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

:the literal : (58₁₀ / 72₈ / 3A₁₆)

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 2(\d{3}[-> ]+\d{1,2}:\d{2}:\d{2})

\d{3}a digit, repeated exactly 3 times

Character Class[-> ]+

+matches at least one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

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

:the literal : (58₁₀ / 72₈ / 3A₁₆)

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

:the literal : (58₁₀ / 72₈ / 3A₁₆)

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 3(\d{3})

\d{3}a digit, repeated exactly 3 times

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

^(\d{1,2}:\d{2}:\d{2})\.(\d{3}[-> ]+\d{1,2}:\d{2}:\d{2})\.(\d{3})

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