regex101: (aller) + -z

Pro

Group 1([[:space:]])

Character Class[[:space:]]

[:space:]a whitespace character, including a line break [ \t\r\n\v\f]

1st Alternativevais

vaisthe literal text vais (case sensitive)

2nd Alternativevas

vasthe literal text vas (case sensitive)

3rd Alternativeva

vathe literal text va (case sensitive)

4th Alternativeallons

allonsthe literal text allons (case sensitive)

5th Alternativeallez

allezthe literal text allez (case sensitive)

6th Alternativevont

vontthe literal text vont (case sensitive)

Group 3([[:space:]])

Character Class[[:space:]]

[:space:]a whitespace character, including a line break [ \t\r\n\v\f]

Group 4([^\Qchez\E][^\Qassez\E][[:alpha:]]*)

Negated Character Class[^\Qchez\E]

\Qchez\Ethe literal text chez (case sensitive)

Negated Character Class[^\Qassez\E]

\Qassez\Ethe literal text asez (case sensitive)

Character Class[[:alpha:]]*

*matches any number of characters from the set below:

[:alpha:]an alphabetic character [a-zA-Z]

Group 5(z)

zthe literal z (122₁₀ / 172₈ / 7A₁₆) (case sensitive)

Group 6([[:space:]]|[[:punct:]])

1st Alternative[[:space:]]

Character Class[[:space:]]

[:space:]a whitespace character, including a line break [ \t\r\n\v\f]

2nd Alternative[[:punct:]]

Character Class[[:punct:]]

[:punct:]a punctuation character [!"#$%&'()*+,\-./:;<=>?@[\]^_`{|}~]

Global pattern flags

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

25 tokens

Regular Expression

([[:space:]])(vais|vas|va|allons|allez|vont)([[:space:]])([^\Qchez\E][^\Qassez\E][[:alpha:]]*)(z)([[:space:]]|[[:punct:]])

New

Je vais allez à Rome.
Il va trouvez du boulot.
Helen, va cherchez le kit de secours.
Je vais passez de bonnes vacances.
Ça va allez?

Tu vas donner du travail.
Il va aller chez Zara.
J'en avais assez.
Vous allez chez Lucie.
Tout ça va assez mal.

Extraction

Je vais allez à Rome.
Il va trouvez du boulot.
Helen, va cherchez le kit de secours.
Je vais passez de bonnes vacances.
Ça va allez?

Tu vas donner du travail.
Il va aller chez Zara.
J'en avais assez.
Vous allez chez Lucie.
Tout ça va assez mal.