regex101: Python Match Workspace

Negative Lookbehind(?<!\w)

\wa Unicode word character

Non-Capturing Group(?:,\s+)?

?repeats the group contents below at most once:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\s+a Unicode whitespace character, repeated at least once

Non-Capturing Group(?:A[LKZR]|C[AOT]|DE|FL|GA|HI|I[ADLN]|K[SY]|LA|M[EDAINSOT]|N[EVHJMYCD]|O[HKR]|PA|RI|S[CD]|T[NX]|UT|V[AT]|W[AIVY])

1st AlternativeA[LKZR]

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

Character Class[LKZR]

Lthe literal L (76₁₀ / 114₈ / 4C₁₆) (case insensitive)

Kthe literal K (75₁₀ / 113₈ / 4B₁₆) (case insensitive)

Zthe literal Z (90₁₀ / 132₈ / 5A₁₆) (case insensitive)

Rthe literal R (82₁₀ / 122₈ / 52₁₆) (case insensitive)

2nd AlternativeC[AOT]

Cthe literal C (67₁₀ / 103₈ / 43₁₆) (case insensitive)

Character Class[AOT]

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

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

Tthe literal T (84₁₀ / 124₈ / 54₁₆) (case insensitive)

3rd AlternativeDE

DEthe literal text DE (case insensitive)

4th AlternativeFL

FLthe literal text FL (case insensitive)

5th AlternativeGA

GAthe literal text GA (case insensitive)

6th AlternativeHI

HIthe literal text HI (case insensitive)

7th AlternativeI[ADLN]

Ithe literal I (73₁₀ / 111₈ / 49₁₆) (case insensitive)

Character Class[ADLN]

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

Dthe literal D (68₁₀ / 104₈ / 44₁₆) (case insensitive)

Lthe literal L (76₁₀ / 114₈ / 4C₁₆) (case insensitive)

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

8th AlternativeK[SY]

Kthe literal K (75₁₀ / 113₈ / 4B₁₆) (case insensitive)

Character Class[SY]

Sthe literal S (83₁₀ / 123₈ / 53₁₆) (case insensitive)

Ythe literal Y (89₁₀ / 131₈ / 59₁₆) (case insensitive)

9th AlternativeLA

LAthe literal text LA (case insensitive)

10th AlternativeM[EDAINSOT]

Mthe literal M (77₁₀ / 115₈ / 4D₁₆) (case insensitive)

Character Class[EDAINSOT]

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

Dthe literal D (68₁₀ / 104₈ / 44₁₆) (case insensitive)

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

Ithe literal I (73₁₀ / 111₈ / 49₁₆) (case insensitive)

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

Sthe literal S (83₁₀ / 123₈ / 53₁₆) (case insensitive)

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

Tthe literal T (84₁₀ / 124₈ / 54₁₆) (case insensitive)

11th AlternativeN[EVHJMYCD]

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

Character Class[EVHJMYCD]

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

Vthe literal V (86₁₀ / 126₈ / 56₁₆) (case insensitive)

Hthe literal H (72₁₀ / 110₈ / 48₁₆) (case insensitive)

Jthe literal J (74₁₀ / 112₈ / 4A₁₆) (case insensitive)

Mthe literal M (77₁₀ / 115₈ / 4D₁₆) (case insensitive)

Ythe literal Y (89₁₀ / 131₈ / 59₁₆) (case insensitive)

Cthe literal C (67₁₀ / 103₈ / 43₁₆) (case insensitive)

Dthe literal D (68₁₀ / 104₈ / 44₁₆) (case insensitive)

12th AlternativeO[HKR]

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

Character Class[HKR]

Hthe literal H (72₁₀ / 110₈ / 48₁₆) (case insensitive)

Kthe literal K (75₁₀ / 113₈ / 4B₁₆) (case insensitive)

Rthe literal R (82₁₀ / 122₈ / 52₁₆) (case insensitive)

13th AlternativePA

PAthe literal text PA (case insensitive)

14th AlternativeRI

RIthe literal text RI (case insensitive)

15th AlternativeS[CD]

Sthe literal S (83₁₀ / 123₈ / 53₁₆) (case insensitive)

Character Class[CD]

16th AlternativeT[NX]

17th AlternativeUT

18th AlternativeV[AT]

19th AlternativeW[AIVY]

,?optionally matches the literal , (44₁₀ / 54₈ / 2C₁₆)

\s?optionally matches a Unicode whitespace character

Negative Lookahead(?!\w)

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

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Search reference

Regular Expression

(?<!\w)(?:,\s+)?(?:A[LKZR]|C[AOT]|DE|FL|GA|HI|I[ADLN]|K[SY]|LA|M[EDAINSOT]|N[EVHJMYCD]|O[HKR]|PA|RI|S[CD]|T[NX]|UT|V[AT]|W[AIVY]),?\s?(?!\w)

Unit Tests

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