Regular Expressions 101

Explanation

Pro

Negative Lookahead(?!\B"[^"|“|”]*)

\Bnot a Unicode word boundary

"the literal " (34₁₀ / 42₈ / 22₁₆)

Negated Character Class[^"|“|”]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

“the literal “ (8220₁₀ / 20034₈ / 201C₁₆)

”the literal ” (8221₁₀ / 20035₈ / 201D₁₆)

\ba Unicode word boundary

Group 1(and|or|not|exclude)

1st Alternativeand

andthe literal text and (case insensitive)

2nd Alternativeor

orthe literal text or (case insensitive)

3rd Alternativenot

notthe literal text not (case insensitive)

4th Alternativeexclude

excludethe literal text exclude (case insensitive)

Positive Lookahead(?=.*[\s])

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

Character Class[\s]

\sa Unicode whitespace character

\ba Unicode word boundary

Negative Lookahead(?![^"|“|”]*"\B)

Negated Character Class[^"|“|”]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

“the literal “ (8220₁₀ / 20034₈ / 201C₁₆)

”the literal ” (8221₁₀ / 20035₈ / 201D₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

\Bnot a Unicode 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

u modifier: unicode. Treats the pattern and subject as UTF-16

Detailed match information will be displayed here automatically.

25 tokens

(?!\B"[^"|“|”]*)\b(and|or|not|exclude)(?=.*[\s])\b(?![^"|“|”]*"\B)

New

'(Java or "化粧" or 化粧品)'
'(Java or 化粧 or 化粧品)';

'(Java or "化粧" or 化粧品)'
'(Java or 化粧 or 化粧品)';