regex101: Python Match Workspace

Pro

^start of string

Group 1(([NEW]|S[WS]*N)*S[WS]*E([ES]|W[WS]*E)*W[WS]*N)*

*repeats the group contents below any number of times:

Group 2([NEW]|S[WS]*N)*

*repeats the group contents below any number of times:

1st Alternative[NEW]

Character Class[NEW]

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

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

Wthe literal W (87₁₀ / 127₈ / 57₁₆) (case sensitive)

2nd AlternativeS[WS]*N

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

Character Class[WS]*

*matches any number of characters from the set below:

Wthe literal W (87₁₀ / 127₈ / 57₁₆) (case sensitive)

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

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

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

Character Class[WS]*

*matches any number of characters from the set below:

Wthe literal W (87₁₀ / 127₈ / 57₁₆) (case sensitive)

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

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

Group 3([ES]|W[WS]*E)*

*repeats the group contents below any number of times:

1st Alternative[ES]

Character Class[ES]

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

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

2nd AlternativeW[WS]*E

Wthe literal W (87₁₀ / 127₈ / 57₁₆) (case sensitive)

Character Class[WS]*

*matches any number of characters from the set below:

Wthe literal W (87₁₀ / 127₈ / 57₁₆) (case sensitive)

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

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

Wthe literal W (87₁₀ / 127₈ / 57₁₆) (case sensitive)

Character Class[WS]*

*matches any number of characters from the set below:

Wthe literal W (87₁₀ / 127₈ / 57₁₆) (case sensitive)

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

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

Group 4([NEW]|S[WS]*N)*

*repeats the group contents below any number of times:

1st Alternative[NEW]

Character Class[NEW]

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

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

Wthe literal W (87₁₀ / 127₈ / 57₁₆) (case sensitive)

2nd AlternativeS[WS]*N

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

Character Class[WS]*

*matches any number of characters from the set below:

Wthe literal W (87₁₀ / 127₈ / 57₁₆) (case sensitive)

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

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

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

Character Class[WS]*

*matches any number of characters from the set below:

Wthe literal W (87₁₀ / 127₈ / 57₁₆) (case sensitive)

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

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

Group 5([ES]|W[WS]*E)*

*repeats the group contents below any number of times:

1st Alternative[ES]

Character Class[ES]

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

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

2nd AlternativeW[WS]*E

Wthe literal W (87₁₀ / 127₈ / 57₁₆) (case sensitive)

Character Class[WS]*

*matches any number of characters from the set below:

Wthe literal W (87₁₀ / 127₈ / 57₁₆) (case sensitive)

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

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

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

Character Class[NEWS]*

*matches any number of characters from the set below:

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

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

Wthe literal W (87₁₀ / 127₈ / 57₁₆) (case sensitive)

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

$end of string, or before its final line terminator

25 tokens

Regular Expression

^(([NEW]|S[WS]*N)*S[WS]*E([ES]|W[WS]*E)*W[WS]*N)*([NEW]|S[WS]*N)*S[WS]*E([ES]|W[WS]*E)*N[NEWS]*$

Unit Tests

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