Regular Expressions 101

Positive Lookbehind(?<=[ ]A\/C[ ]+[0-9]{1,2}[ ]+IS[ ]+KILLED[ ]+AT[ ]+TIME[ ]+[0-9]{0,4}\.[0-9]{0,4})

Character Class[ ]

the literal (32₁₀ / 40₈ / 20₁₆)

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

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Cthe literal C (67₁₀ / 103₈ / 43₁₆) (case sensitive)

Character Class[ ]+

+matches at least one character from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[0-9]{1,2}

{1,2}matches between 1 and 2 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Character Class[ ]+

+matches at least one character from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

ISthe literal text IS (case sensitive)

Character Class[ ]+

+matches at least one character from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

KILLEDthe literal text KILLED (case sensitive)

Character Class[ ]+

+matches at least one character from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

ATthe literal text AT (case sensitive)

Character Class[ ]+

+matches at least one character from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

TIMEthe literal text TIME (case sensitive)

Character Class[ ]+

+matches at least one character from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[0-9]{0,4}

{0,4}matches between 0 and 4 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[0-9]{0,4}

{0,4}matches between 0 and 4 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

\s+any whitespace character, repeated at least once

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

No unit tests · Add a test to get started

26 tokens

Regular Expression

(?<=[ ]A\/C[ ]+[0-9]{1,2}[ ]+IS[ ]+KILLED[ ]+AT[ ]+TIME[ ]+[0-9]{0,4}\.[0-9]{0,4})\s+

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