Regular Expressions 101

^start of string

\<the literal < (60₁₀ / 74₈ / 3C₁₆)

Group 1([0-9]{1,3})

Character Class[0-9]{1,3}

{1,3}matches between 1 and 3 characters from the set below:

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

\>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group 2([A-Za-z]{3} [0-9]{1,2} \d{2}:\d{2}:\d{2})

Character Class[A-Za-z]{3}

{3}matches exactly 3 characters from the set below:

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

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)

the literal (32₁₀ / 40₈ / 20₁₆)

\d{2}a digit, repeated exactly 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 (32₁₀ / 40₈ / 20₁₆)

Group 3([\S]+)

Character Class[\S]+

+matches at least one character from the set below:

\Sany non-whitespace character

the literal (32₁₀ / 40₈ / 20₁₆)

Group 4([\S\s]+)

Character Class[\S\s]+

+matches at least one character from the set below:

\Sany non-whitespace character

\sany whitespace character

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

^\<([0-9]{1,3})\>([A-Za-z]{3} [0-9]{1,2} \d{2}:\d{2}:\d{2}) ([\S]+) ([\S\s]+)

New

<131>Jan 23 17:05:05 rdmlpavesi1d gs-rest-service error message slf4j thread:http-nio-8080-exec-1 priority:ERROR category:command.AppSyslogd.Application exception:

Substitution

<131>Jan 23 17:05:05 rdmlpavesi1d gs-rest-service error message slf4j thread:http-nio-8080-exec-1 priority:ERROR category:command.AppSyslogd.Application exception: