Regular Expressions 101

Group 1(Token\sType)

Tokenthe literal text Token (case sensitive)

\sany whitespace character

Typethe literal text Type (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\s+any whitespace character, repeated at least once

\S+any non-whitespace character, repeated at least once

Client IP: the literal text Client IP: (case sensitive)

Group adfs_src(?<adfs_src>(?:\d{1,3}\.){3}\d{1,3}(?:,(?:\d{1,3}\.){3}\d{1,3})*)

Non-Capturing Group(?:\d{1,3}\.){3}

{3}repeats the group contents below exactly 3 times:

\d{1,3}a digit, repeated between 1 and 3 times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d{1,3}a digit, repeated between 1 and 3 times

Non-Capturing Group(?:,(?:\d{1,3}\.){3}\d{1,3})*

*repeats the group contents below any number of times:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Non-Capturing Group(?:\d{1,3}\.){3}

{3}repeats the group contents below exactly 3 times:

\d{1,3}a digit, repeated between 1 and 3 times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d{1,3}a digit, repeated between 1 and 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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Search reference

Regular Expression

(Token\sType):\s+\S+ Client IP: (?<adfs_src>(?:\d{1,3}\.){3}\d{1,3}(?:,(?:\d{1,3}\.){3}\d{1,3})*)

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