Regular Expressions 101

Group 1(^|[^\u00C0-\u017F\w])

1st Alternative^

^start of string

2nd Alternative[^\u00C0-\u017F\w]

Negated Character Class[^\u00C0-\u017F\w]

\u00C0-\u017Fone character from À (192₁₀) to ſ (383₁₀) (case insensitive)

\wany word character

Negative Lookahead(?!(?:AND|OR|NOT)(?=[^\u00C0-\u017F\w]|$))

Non-Capturing Group(?:AND|OR|NOT)

1st AlternativeAND

ANDthe literal text AND (case insensitive)

2nd AlternativeOR

ORthe literal text OR (case insensitive)

3rd AlternativeNOT

NOTthe literal text NOT (case insensitive)

Positive Lookahead(?=[^\u00C0-\u017F\w]|$)

1st Alternative[^\u00C0-\u017F\w]

Negated Character Class[^\u00C0-\u017F\w]

\u00C0-\u017Fone character from À (192₁₀) to ſ (383₁₀) (case insensitive)

\wany word character

2nd Alternative$

$end of string

Group 2([\u00C0-\u017F\w]+)

Character Class[\u00C0-\u017F\w]+

+matches at least one character from the set below:

\u00C0-\u017Fone character from À (192₁₀) to ſ (383₁₀) (case insensitive)

\wany word character

Positive Lookahead(?=[^\u00C0-\u017F\w]|$)

1st Alternative[^\u00C0-\u017F\w]

Negated Character Class[^\u00C0-\u017F\w]

\u00C0-\u017Fone character from À (192₁₀) to ſ (383₁₀) (case insensitive)

\wany word character

2nd Alternative$

$end of string

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

No unit tests · Add a test to get started

Search reference

Regular Expression

(^|[^\u00C0-\u017F\w])(?!(?:AND|OR|NOT)(?=[^\u00C0-\u017F\w]|$))([\u00C0-\u017F\w]+)(?=[^\u00C0-\u017F\w]|$)

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