regex101: PCRE2 (PHP) Match Workspace

1st Alternative^\s*(?:;|#).*$

^start of line

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

Non-Capturing Group(?:;|#)

1st Alternative;

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

2nd Alternative#

#the literal # (35₁₀ / 43₈ / 23₁₆)

.*any character (except for line terminators), repeated any number of times

$end of line

2nd Alternative^\s*\[\s*([\w _-]+?)\s*\]\s*?(?:(?:;|#).*)?$

^start of line

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

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

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

Group 1([\w _-]+?)

Character Class[\w _-]+?

+?matches at least one character from the set below:

\wany word character

the literal (32₁₀ / 40₈ / 20₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

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

Non-Capturing Group(?:(?:;|#).*)?

?repeats the group contents below at most once:

Non-Capturing Group(?:;|#)

1st Alternative;

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

2nd Alternative#

#the literal # (35₁₀ / 43₈ / 23₁₆)

.*any character (except for line terminators), repeated any number of times

$end of line

3rd Alternative^\s*([^=#;\s]+)\s*=\s*(?:"([^"]*)"|'([^']*)'|([^;\s=#]+))\s*?(?:(?:;|#).*)?$

^start of line

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

Group 2([^=#;\s]+)

Negated Character Class[^=#;\s]+

+matches at least one character outside the set below:

=the literal = (61₁₀ / 75₈ / 3D₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

\sany whitespace character

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

=the literal = (61₁₀ / 75₈ / 3D₁₆)

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

Non-Capturing Group(?:"([^"]*)"|'([^']*)'|([^;\s=#]+))

1st Alternative"([^"]*)"

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 3([^"]*)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative'([^']*)'

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Group 4([^']*)

Negated Character Class[^']*

*matches any number of characters outside the set below:

'the literal ' (39₁₀ / 47₈ / 27₁₆)

3rd Alternative([^;\s=#]+)

Group 5([^;\s=#]+)

Negated Character Class[^;\s=#]+

+matches at least one character outside the set below:

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

\sany whitespace character

=the literal = (61₁₀ / 75₈ / 3D₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

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

Non-Capturing Group(?:(?:;|#).*)?

?repeats the group contents below at most once:

Non-Capturing Group(?:;|#)

.*any character (except for line terminators), repeated any number of times

$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

25 tokens

Regular Expression

^\s*(?:;|#).*$|^\s*\[\s*([\w _-]+?)\s*\]\s*?(?:(?:;|#).*)?$|^\s*([^=#;\s]+)\s*=\s*(?:"([^"]*)"|'([^']*)'|([^;\s=#]+))\s*?(?:(?:;|#).*)?$

New

  [  my_program ] #
# The command to use to launch the program 
command="/usr/local/bin/nginx -c /etc/nginx/test.conf" #blah
# The number of processes to start and keep running
numprocs=1fsd#fsfd
faf=dfdsg
# Whether to start this program at launch or not
autostart=true
# Whether the program should be restarted "always", "never", or on "unexpected" exits
restart_when=unexpected
# Which exit codes represent an expected exit status
exit_codes=0,2
# How long the program should be running after it’s started for it to be considered successfully started
start_time=5
# How long to wait after a graceful stop before killing the program
stop_time=10
# How many times a restart should be attempted before aborting
max_restarts=3
# Which signal should be used to stop (i.e. exit gracefully) the program
stop_signal=TERM
# Options to "discard" the program’s stdout/stderr or to redirect them to files
stdout="/tmp/nginx.stdout"
stderr="/tmp/nginx.stderr"
# Environment variables to set before launching the program
env="STARTED_BY=taskmaster,ANSWER=42"
# A working directory to set before launching the program
workdir=/tmp
# An umask to set before launching the program
umask=022
[my_other_program]
command=
numprocs=
autostart=
restart_when=
exit_codes=
start_time=
stop_time=
max_restarts=
stop_signal=
stdout=
stderr=
env=
workdir=
umask=

Extraction

  [  my_program ] #
# The command to use to launch the program 
command="/usr/local/bin/nginx -c /etc/nginx/test.conf" #blah
# The number of processes to start and keep running
numprocs=1fsd#fsfd
faf=dfdsg
# Whether to start this program at launch or not
autostart=true
# Whether the program should be restarted "always", "never", or on "unexpected" exits
restart_when=unexpected
# Which exit codes represent an expected exit status
exit_codes=0,2
# How long the program should be running after it’s started for it to be considered successfully started
start_time=5
# How long to wait after a graceful stop before killing the program
stop_time=10
# How many times a restart should be attempted before aborting
max_restarts=3
# Which signal should be used to stop (i.e. exit gracefully) the program
stop_signal=TERM
# Options to "discard" the program’s stdout/stderr or to redirect them to files
stdout="/tmp/nginx.stdout"
stderr="/tmp/nginx.stderr"
# Environment variables to set before launching the program
env="STARTED_BY=taskmaster,ANSWER=42"
# A working directory to set before launching the program
workdir=/tmp
# An umask to set before launching the program
umask=022
[my_other_program]
command=
numprocs=
autostart=
restart_when=
exit_codes=
start_time=
stop_time=
max_restarts=
stop_signal=
stdout=
stderr=
env=
workdir=
umask=