Character classes
.	any character except newline
\w \d \s	word, digit, whitespace
\W \D \S	not word, digit, whitespace
[abc]	any of a, b, or c
[^abc]	not a, b, or c
[a-g]	character between a & g
Anchors
^abc$	start / end of the string
\b \B	word, not-word boundary
Escaped characters
\. \* \\	escaped special characters
\t \n \r	tab, linefeed, carriage return
Groups & Lookaround
(abc)	capture group
\1	backreference to group #1
(?:abc)	non-capturing group
(?=abc)	positive lookahead
(?!abc)	negative lookahead
Quantifiers & Alternation
a* a+ a?	0 or more, 1 or more, 0 or 1
a{5} a{2,}	exactly five, two or more
a{1,3}	between one & three
a+? a{2,}?	match as few as possible
ab\|cd	match ab or cd

Character classes

any character except newline

\w \d \s

word, digit, whitespace

\W \D \S

not word, digit, whitespace

[abc]

any of a, b, or c

[^abc]

not a, b, or c

[a-g]

character between a & g

Anchors

^abc$

start / end of the string

\b \B

word, not-word boundary

Escaped characters

\. \* \\

escaped special characters

\t \n \r

tab, linefeed, carriage return

Groups & Lookaround

(abc)

capture group

backreference to group #1

(?:abc)

non-capturing group

(?=abc)

positive lookahead

(?!abc)

negative lookahead

Quantifiers & Alternation

a* a+ a?

0 or more, 1 or more, 0 or 1

a{5} a{2,}

exactly five, two or more

a{1,3}

between one & three

a+? a{2,}?

match as few as possible

ab|cd

match ab or cd

Shady Bears Unblocked [portable]

Shady Bears is a popular 2D platformer created by where players control a bear collecting acorns while being pursued by their own shadow. The "unblocked" version is frequently sought after to bypass school or workplace web filters, allowing users to play directly through their browsers on sites like Poki or various unblocked gaming hubs. Core Gameplay Mechanics

: In multiplayer, teams can assign roles where one player distracts shadows while another focuses on gathering acorns. Quick questions if you have time: Did you need more technical info? Shady Bears - Play Online for Free! - Minigamesville shady bears unblocked

Look for "unblocked" versions on educational-sounding domains or community-hosted mirrors. Shady Bears is a popular 2D platformer created

Shady Bears Unblocked is less a specific product and more a grassroots preservation movement. Fans are so determined to play this Flash-era gem that they have distributed it across the hidden corners of the web, evading digital hall monitors. Quick questions if you have time: Did you

: To keep the arena open, players should lure their shadow into wide arcs rather than making tight backtracks that close off escape routes. Firefly Management