Regular Expressions 101

Pro

Negative Lookbehind(?<!\.)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Non-Capturing Group(?:\s([A-Z\u00C0-\u00dd][A-Z\u00C0-\u00dd]*[a-z\u00E0-\u00ff][a-zA-Z\u00C0-\u00ffA-Z]*)|\s(A|O|À)(?=\s|\.))

1st Alternative\s([A-Z\u00C0-\u00dd][A-Z\u00C0-\u00dd]*[a-z\u00E0-\u00ff][a-zA-Z\u00C0-\u00ffA-Z]*)

\sany whitespace character

Group 1([A-Z\u00C0-\u00dd][A-Z\u00C0-\u00dd]*[a-z\u00E0-\u00ff][a-zA-Z\u00C0-\u00ffA-Z]*)

Character Class[A-Z\u00C0-\u00dd]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

\u00C0-\u00ddone character from À (192₁₀) to Ý (221₁₀) (case sensitive)

Character Class[A-Z\u00C0-\u00dd]*

*matches any number of characters from the set below:

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

\u00C0-\u00ddone character from À (192₁₀) to Ý (221₁₀) (case sensitive)

Character Class[a-z\u00E0-\u00ff]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

\u00E0-\u00ffone character from à (224₁₀) to ÿ (255₁₀) (case sensitive)

Character Class[a-zA-Z\u00C0-\u00ffA-Z]*

*matches any number of characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

\u00C0-\u00ffone character from À (192₁₀) to ÿ (255₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

2nd Alternative\s(A|O|À)(?=\s|\.)

\sany whitespace character

Group 2(A|O|À)

1st AlternativeA

Athe literal A (65₁₀ / 101₈ / 41₁₆) (case sensitive)

2nd AlternativeO

Othe literal O (79₁₀ / 117₈ / 4F₁₆) (case sensitive)

3rd AlternativeÀ

Àthe literal À (192₁₀ / 300₈ / C0₁₆) (case sensitive)

Positive Lookahead(?=\s|\.)

1st Alternative\s

\sany whitespace character

2nd Alternative\.

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Global pattern flags

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

Detailed match information will be displayed here automatically.

26 tokens

(?<!\.)(?:\s([A-Z\u00C0-\u00dd][A-Z\u00C0-\u00dd]*[a-z\u00E0-\u00ff][a-zA-Z\u00C0-\u00ffA-Z]*)|\s(A|O|À)(?=\s|\.))

New

Usuário Não Autenticado. Contate o ADM. Em Caso De Ou O A. Vou À Bahia. UsuÁrio Não AUtenTicadO. Ok Vamos testa. Contate o ADM. O Padre joão paulo.