regex101: Python Match Workspace

Pro

^start of string

Group 1([0-9]{4}-[0-9]{2}-[0-9]{2,}|[\d]{0,}|[NnaAOoEe]{0,})

1st Alternative[0-9]{4}-[0-9]{2}-[0-9]{2,}

Character Class[0-9]{4}

{4}matches exactly 4 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9]{2}

{2}matches exactly 2 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9]{2,}

{2,}matches at least 2 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

2nd Alternative[\d]{0,}

Character Class[\d]{0,}

{0,}matches any number of characters from the set below:

\da Unicode decimal digit

3rd Alternative[NnaAOoEe]{0,}

Character Class[NnaAOoEe]{0,}

{0,}matches any number of characters from the set below:

Nthe literal N (78₁₀ / 116₈ / 4E₁₆) (case sensitive)

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

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

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

othe literal o (111₁₀ / 157₈ / 6F₁₆) (case sensitive)

Ethe literal E (69₁₀ / 105₈ / 45₁₆) (case sensitive)

ethe literal e (101₁₀ / 145₈ / 65₁₆) (case sensitive)

Group 2(.*)

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

25 tokens

Regular Expression

^([0-9]{4}-[0-9]{2}-[0-9]{2,}|[\d]{0,}|[NnaAOoEe]{0,})(.*)

New

2020-10-2125Chavez and Sons
2020-05-02Bean Inc
NaNRobinson, Mcmahon and Atkins
2020-04-25Hill-Fisher
2020-04-02Nothing and Sons
52457Carpenter and Sons
0Carpenter and Sons
Carpenter and Sons
NoneEconomy and Sons
2020-04-02

Extraction

2020-10-2125Chavez and Sons
2020-05-02Bean Inc
NaNRobinson, Mcmahon and Atkins
2020-04-25Hill-Fisher
2020-04-02Nothing and Sons
52457Carpenter and Sons
0Carpenter and Sons
Carpenter and Sons
NoneEconomy and Sons
2020-04-02