Regular Expressions 101

^start of line

Groups:the literal text Groups: (case sensitive)

\hany horizontal whitespace character

Character Class[\h\d]*

*matches any number of characters from the set below:

\hany horizontal whitespace character

\da digit

\ban ASCII word boundary

990the literal text 990

\ban ASCII word boundary

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

^Groups:\h[\h\d]*\b990\b

New

Name:   python
Umask:  0022
State:  S (sleeping)
Tgid:   3479
Ngid:   0
Pid:    3479
PPid:   1
TracerPid:      0
Uid:    990     990     990     990
Gid:    990     990     990     990
FDSize: 128
Groups: 990 992
NStgid: 3479
NSpid:  3479
NSpgid: 3479
Groups: 123 992 990