regex101: PCRE2 (PHP) Match Workspace

Pro

(?smi)applies the following effective flags to the remainder of the pattern: gmsi

s modifier: single line. Allows a dot to match line terminators

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Group 1((?<=The following sleep states are available on this system:\n).*?$.+?^\n*?$)

Positive Lookbehind(?<=The following sleep states are available on this system:\n)

The following sleep states are available on this system:the literal text The following sleep states are available on this system: (case insensitive)

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

.*?any character, repeated any number of times

$end of line

.+?any character, repeated at least once

^start of line

\n*?a line-feed (newline) character (ASCII 10), repeated any number of times

$end of line

the literal ↵ (10₁₀ / 12₈ / A₁₆)

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

(?smi)((?<=The following sleep states are available on this system:\n).*?$.+?^\n*?$)

The following sleep states are available on this system:
    Standby (S3)
    Hibernate
    Fast Startup

The following sleep states are not available on this system:
    Standby (S1)
	The system firmware does not support this standby state.

    Standby (S2)
	The system firmware does not support this standby state.

    Standby (S0 Low Power Idle)
	The system firmware does not support this standby state.

    Hybrid Sleep
	The hypervisor does not support this standby state.