regex101: Python Match Workspace

Non-Capturing Group(?:^|[?!¿¡,;:([.])

1st Alternative^

^start of line

2nd Alternative[?!¿¡,;:([.]

Character Class[?!¿¡,;:([.]

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

¿the literal ¿ (191₁₀ / 277₈ / BF₁₆)

¡the literal ¡ (161₁₀ / 241₈ / A1₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

Non-Capturing Group(?:(\w+(?: +\w+)*) *)?

?repeats the group contents below at most once:

Group 1(\w+(?: +\w+)*)

\w+a Unicode word character, repeated at least once

Non-Capturing Group(?: +\w+)*

*repeats the group contents below any number of times:

+the literal (32₁₀ / 40₈ / 20₁₆) , repeated at least once

\w+a Unicode word character, repeated at least once

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

Johnthe literal text John (case sensitive)

Non-Capturing Group(?: *(\w+(?: +\w+)*))?

?repeats the group contents below at most once:

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

Group 2(\w+(?: +\w+)*)

\w+a Unicode word character, repeated at least once

Non-Capturing Group(?: +\w+)*

*repeats the group contents below any number of times:

+the literal (32₁₀ / 40₈ / 20₁₆) , repeated at least once

\w+a Unicode word character, repeated at least once

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

Non-Capturing Group(?:$|[]?!,;:).])

1st Alternative$

$end of line

2nd Alternative[]?!,;:).]

Character Class[]?!,;:).]

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Global pattern flags

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

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

Search reference

Regular Expression

(?:^|[?!¿¡,;:([.]) *(?:(\w+(?: +\w+)*) *)?John(?: *(\w+(?: +\w+)*))? *(?:$|[]?!,;:).])

Test String
New

These sound system are too many, I think John can help us, otherwise it will be waiting for a while longer
!
These sound system are too many but I know that John can help us. otherwise it will be waiting for a while longer
!
Do you know if John with the others could come this afternoon?

John can help us, otherwise it will be waiting for a while longer
!
Can you help us, otherwise it will be waiting for a while longer for John
!
sorry! can you help us? otherwise it will be waiting for a while longer for John

Regular Expressions 101

Regular Expression

Test String
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Regular Expression

Test StringNew

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Test String
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