regex101: highlighting with punctuation

Pro

Group 1(\b(?<![[:punct:]])abc'n(?![[:punct:]])\b)

\ban ASCII word boundary

Negative Lookbehind(?<![[:punct:]])

Character Class[[:punct:]

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

pthe literal p (112₁₀ / 160₈ / 70₁₆) (case insensitive)

uthe literal u (117₁₀ / 165₈ / 75₁₆) (case insensitive)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case insensitive)

cthe literal c (99₁₀ / 143₈ / 63₁₆) (case insensitive)

tthe literal t (116₁₀ / 164₈ / 74₁₆) (case insensitive)

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

abc'nthe literal text abc'n (case insensitive)

Negative Lookahead(?![[:punct:]])

Character Class[[:punct:]

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

pthe literal p (112₁₀ / 160₈ / 70₁₆) (case insensitive)

uthe literal u (117₁₀ / 165₈ / 75₁₆) (case insensitive)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case insensitive)

cthe literal c (99₁₀ / 143₈ / 63₁₆) (case insensitive)

tthe literal t (116₁₀ / 164₈ / 74₁₆) (case insensitive)

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\ban ASCII word boundary

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

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

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

26 tokens

Regular Expression

(\b(?<![[:punct:]])abc&apos;n(?![[:punct:]])\b)

New

123abc
assass
abc
abc-abc.
abc-123.
123-abc.
abc123
 abc.
abc&apos;n com 123
abc 123 abc.123 
www.abc.
abc.com
www.abc
www.abc.com
abc-foo
what.com abc is the place to abc. <-- That last abc should be highlighted.
what.com abc is the place to abc.    That last abc should be highlighted.
www.abc. Foo bar
look
looking
tearsofsteel
www.tearsofsteel
www.tearsofsteel.org
www.Nleader.org
www3
www3we
www
www.
you're
Juggling.com
jugg

Substitution

123abc
assass
abc
abc-abc.
abc-123.
123-abc.
abc123
 abc.
abc&apos;n com 123
abc 123 abc.123 
www.abc.
abc.com
www.abc
www.abc.com
abc-foo
what.com abc is the place to abc. <-- That last abc should be highlighted.
what.com abc is the place to abc.    That last abc should be highlighted.
www.abc. Foo bar
look
looking
tearsofsteel
www.tearsofsteel
www.tearsofsteel.org
www.Nleader.org
www3
www3we
www
www.
you're
Juggling.com
jugg