Regular Expressions 101

Pro

^start of line

Group 1(([^[:blank:]]+[[:blank:]]+){2})

Group 2([^[:blank:]]+[[:blank:]]+){2}

{2}repeats the group contents below exactly 2 times:

Negated Character Class[^[:blank:]]+

+matches at least one character outside the set below:

[:blank:]a whitespace character, excluding line breaks [ \t]

Character Class[[:blank:]]+

+matches at least one character from the set below:

[:blank:]a whitespace character, excluding line breaks [ \t]

Group 3([[:alnum:][:blank:]]+)

Character Class[[:alnum:][:blank:]]+

+matches at least one character from the set below:

[:alnum:]an alphanumeric character [a-zA-Z0-9]

[:blank:]a whitespace character, excluding line breaks [ \t]

Character Class[[:blank:]]+

+matches at least one character from the set below:

[:blank:]a whitespace character, excluding line breaks [ \t]

Group 4([[:alnum:]]+[[:blank:]]+[[:alnum:]]+)

Character Class[[:alnum:]]+

+matches at least one character from the set below:

[:alnum:]an alphanumeric character [a-zA-Z0-9]

Character Class[[:blank:]]+

+matches at least one character from the set below:

[:blank:]a whitespace character, excluding line breaks [ \t]

Character Class[[:alnum:]]+

+matches at least one character from the set below:

[:alnum:]an alphanumeric character [a-zA-Z0-9]

$end of line

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.

25 tokens

Regular Expression

^(([^[:blank:]]+[[:blank:]]+){2})([[:alnum:][:blank:]]+)[[:blank:]]+([[:alnum:]]+[[:blank:]]+[[:alnum:]]+)$

New

4142 2019-01-08T.002:00 JrNewman 080592Kl Developer
2125 2016-11-455.+02:00 Jackson John 180784SRE1 Maintainer
2293 2016-12-4100+02:00 Jackson John AZbissness Developer
1938 2015T12:1600+02:00 Jackson John AZ19043A4A Developer
2126 2016-123:46.003:00 Jackson John OZ40784SA3 Maintainer
2033 201615:33:28.00:00 Allen Robert JR pDbissness Developer
4846 202212:48:34+02:00 Walker Tom JR autotestbit Maintainer
5362 2022-12:440+302:00 Walker Tom Jr autotestbit Maintainer
2131 2012T21:.000+03:00 Allen Robert Jr Z1EW843V1 Maintainer
2128 2013T206.000+02:00 Administrator LL23042DE Guest

Substitution

$1$4 $3

4142 2019-01-08T.002:00 JrNewman 080592Kl Developer
2125 2016-11-455.+02:00 Jackson John 180784SRE1 Maintainer
2293 2016-12-4100+02:00 Jackson John AZbissness Developer
1938 2015T12:1600+02:00 Jackson John AZ19043A4A Developer
2126 2016-123:46.003:00 Jackson John OZ40784SA3 Maintainer
2033 201615:33:28.00:00 Allen Robert JR pDbissness Developer
4846 202212:48:34+02:00 Walker Tom JR autotestbit Maintainer
5362 2022-12:440+302:00 Walker Tom Jr autotestbit Maintainer
2131 2012T21:.000+03:00 Allen Robert Jr Z1EW843V1 Maintainer
2128 2013T206.000+02:00 Administrator LL23042DE Guest