Regular Expressions 101

1st Alternative(?<=\btrackingID\b=)(\s*[^;\r\n]*)

Positive Lookbehind(?<=\btrackingID\b=)

\ban ASCII word boundary

trackingIDthe literal text trackingID (case sensitive)

\ban ASCII word boundary

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Group 1(\s*[^;\r\n]*)

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

Negated Character Class[^;\r\n]*

*matches any number of characters outside the set below:

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

2nd Alternative\\"code\\":\\"([^\\"\r\n]*)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

"codethe literal text "code (case sensitive)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

":the literal text ":

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 2([^\\"\r\n]*)

Negated Character Class[^\\"\r\n]*

*matches any number of characters outside the set below:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

3rd Alternative(\\"status\\"):(\d*)

Group 3(\\"status\\")

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

"statusthe literal text "status (case sensitive)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 4(\d*)

\d*a digit, repeated any number of times

4th Alternative\\"msg:([^\\"\r\n]*)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

"msg:the literal text "msg: (case sensitive)

Group 5([^\\"\r\n]*)

Negated Character Class[^\\"\r\n]*

*matches any number of characters outside the set below:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?<=\btrackingID\b=)(\s*[^;\r\n]*)|\\"code\\":\\"([^\\"\r\n]*)|(\\"status\\"):(\d*)|\\"msg:([^\\"\r\n]*)

New

ErrorString :  trackingID=jskdf-77sdkj-oij4-kerj43-lklfds; key1=lksfjsdkjfkslkdjf;key2=skjfjdkfj43jrkjskd;key4=lksfjsdkjfkslkdjf;key4=skjfjdkfj43jrkjskd;{\"info\":{\"details\":[{\"code\":\"ABC23423\",\"messages\":\"msg:INVALID_ERROR\",\"timeStamp\":\"2019-08-30T15:03:43.668Z\"}],\"$httpStatus\":400},\"status\":400,\"test\":\"ABC2342fdsff3\"



ErrorString :   key1=lksfjsdkjfkslkdjf;key2=skjfjdkfj43jrkjskd;key4=lksfjsdkjfkslkdjf;key4=skjfjdkfj43jrkjskd;{\"info\":{\"details\":[{\"code\":\"ABC23423\",\"timeStamp\":\"2019-08-30T15:03:43.668Z\"}],\"$httpStatus\":400},\"messages\":\"msg:INVALID_ERROR\",\"status\":400,\"test\":\"ABC2342fdsff3\"trackingID=jskdf-77sdkj-oij4-kerj43-lklfds;



ErrorString :  trackingID=jskdf-77sdkj-oij4-kerj43-lklfds; key1=lksfjsdkjfkslkdjf;key2=skjfjdkfj43jrkjskd;key4=lksfjsdkjfkslkdjf;key4=skjfjdkfj43jrkjskd;{\"info\":{\"details\":[{\"code\":\"ABC23423\",\"timeStamp\":\"2019-08-30T15:03:43.668Z\"}],\"status\":400,\"$httpStatus\":400},\"messages\":\"msg:INVALID_ERROR\",\"test\":\"ABC2342fdsff3\"