regex101: PCRE (Legacy) Match Workspace

1st Alternative^(..[^^].{4,22}\$|[^?\n]+\w)$

^start of line

Group 1(..[^^].{4,22}\$|[^?\n]+\w)

1st Alternative..[^^].{4,22}\$

.any character (except for line terminators)

Negated Character Class[^^]

^the literal ^ (94₁₀ / 136₈ / 5E₁₆)

.{4,22}any character (except for line terminators), repeated between 4 and 22 times

\$the literal $ (36₁₀ / 44₈ / 24₁₆)

2nd Alternative[^?\n]+\w

Negated Character Class[^?\n]+

+matches at least one character outside the set below:

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

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

\wany word character

$end of line

2nd Alternative~

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

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

Search reference

Regular Expression

^(..[^^].{4,22}\$|[^?\n]+\w)$|~

New

PPCG
^P
^[P^]P
[^?][PG]$
(?<!\\..)(?!]).$
^[\w^]*$|!|]P|G]\$$
!|[^?]P(CG|G..)?$
[^])]\$|^\^?P|P.\].$
([.$?]|G\])\$$|^\^?P|\]P$
([P.$?]\$|[]^]P|G\]\$|CG)$
!|((G.|P|\.)\$|[^?]P|CG)$
^[(!P]|G..$|]..\||[^?]P$
^.{3,23}[.-~]..\$$|[^P?][PG]$

[PPCG]
^[P\^]
[^\]]$
^\^?P
[^?][PG]$|<|PG
^[^\\|]*(\\\\)+[^\\|]*[^\]]$
^(.{,4}|.{9}|.{16,19}|.{5}P)$
^[^?]*[PG]$|[?$].*\$$
^[^[]P|]P|(G]|[.])\$$
\..$|!|\|G|^[\^P]P|P\^|G.\$$
...\^.P|^!|G]\$$|w|<!|^\^?P
([^\\}<]{3}|][^]]|^).?[$PG]$
^(..[^^].{4,22}\$|[^?]+\w)$|2

Regular Expressions 101

Regular Expression

Substitution