regex101: JavaScript Match Workspace

^start of string

Group 1(\[[0-9]{4}-[0-9]{2}-[0-9]{2}\s[0-9]{2}:[0-9]{2}:[0-9]{2}[.][0-9]{3}\])

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Character Class[0-9]{4}

{4}matches exactly 4 characters from the set below:

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

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9]{2}

{2}matches exactly 2 characters from the set below:

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

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9]{2}

{2}matches exactly 2 characters from the set below:

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

\sany whitespace character

Character Class[0-9]{2}

{2}matches exactly 2 characters from the set below:

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

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Character Class[0-9]{2}

{2}matches exactly 2 characters from the set below:

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

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Character Class[0-9]{2}

{2}matches exactly 2 characters from the set below:

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

Character Class[.]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[0-9]{3}

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

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

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\sany whitespace character

Group 2([A-Z]*)

Character Class[A-Z]*

*matches any number of characters from the set below:

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

\s*any whitespace character, repeated any number of times

Group 3([a-zA-z\[\]\.0-9:\-]*)

Character Class[a-zA-z\[\]\.0-9:\-]*

*matches any number of characters from the set below:

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

A-zone character from A (65₁₀) to z (122₁₀) (case sensitive)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

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

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\sany whitespace character

Group 4([0-9a-zA-Z@\[\].\s-_:]*)?

?repeats the group contents below at most once:

Character Class[0-9a-zA-Z@\[\].\s-_:]*

*matches any number of characters from the set below:

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

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

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

@the literal @ (64₁₀ / 100₈ / 40₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

\sany whitespace character

-the literal - (45₁₀ / 55₈ / 2D₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 5([\s|\S]+)

Character Class[\s|\S]+

+matches at least one character from the set below:

\sany whitespace character

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\Sany non-whitespace character

Search reference

Regular Expression

^(\[[0-9]{4}-[0-9]{2}-[0-9]{2}\s[0-9]{2}:[0-9]{2}:[0-9]{2}[.][0-9]{3}\])\s([A-Z]*)\s*([a-zA-z\[\]\.0-9:\-]*)\s([0-9a-zA-Z@\[\].\s-_:]*)?([\s|\S]+)

New

[2021-11-15 23:43:41.867] INFO    [Mule-util]nz.co.ha.mule.common.logging.CustomMessageLogger [[MuleRuntime].uber.02: [sample-logging-app].sample-logging-appFlow.CPU_LITE @4ffd3e60]: event:dd3aa370-466d-11ec-83a1-0ab55c0b0cf4 ||transactionID=null|txnState=start|apiDomain=system|apiLayer=system|customMessage=Im%20here%20at%202021-11-15%2023:43:41.866|direction=incoming|messageName=sample-loggin-app|messageType=sample-loggin-app|name=main|payloadIn=false||

Regular Expressions 101

Regular Expression

Extraction