regex101: Roving Robot

Explanation

Pro

Group 1([+\-]*[1-9][0-9]?[0-9]?(ne|nw|se|sw|n|s|e|w|NE|NW|SE|SW|N|S|E|W|Ne|Nw|Se|Sw|nE|nW|sE|sW))*

*repeats the group contents below any number of times:

Character Class[+\-]*

*matches any number of characters from the set below:

+the literal + (43₁₀ / 53₈ / 2B₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

Character Class[0-9]?

?matches at most one character from the set below:

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

Character Class[0-9]?

?matches at most one character from the set below:

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

Group 2(ne|nw|se|sw|n|s|e|w|NE|NW|SE|SW|N|S|E|W|Ne|Nw|Se|Sw|nE|nW|sE|sW)

1st Alternativene

nethe literal text ne (case insensitive)

2nd Alternativenw

nwthe literal text nw (case insensitive)

3rd Alternativese

sethe literal text se (case insensitive)

4th Alternativesw

swthe literal text sw (case insensitive)

5th Alternativen

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

6th Alternatives

sthe literal s (115₁₀ / 163₈ / 73₁₆) (case insensitive)

7th Alternativee

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

8th Alternativew

wthe literal w (119₁₀ / 167₈ / 77₁₆) (case insensitive)

9th AlternativeNE

NEthe literal text NE (case insensitive)

10th AlternativeNW

NWthe literal text NW (case insensitive)

11th AlternativeSE

SEthe literal text SE (case insensitive)

12th AlternativeSW

SWthe literal text SW (case insensitive)

13th AlternativeN

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

14th AlternativeS

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

15th AlternativeE

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

16th AlternativeW

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

17th AlternativeNe

Nethe literal text Ne (case insensitive)

18th AlternativeNw

Nwthe literal text Nw (case insensitive)

19th AlternativeSe

Sethe literal text Se (case insensitive)

20th AlternativeSw

21st AlternativenE

22nd AlternativenW

23rd AlternativesE

24th AlternativesW

Global pattern flags

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

Quick Reference

25 tokens

Regular Expression

([+\-]*[1-9][0-9]?[0-9]?(ne|nw|se|sw|n|s|e|w|NE|NW|SE|SW|N|S|E|W|Ne|Nw|Se|Sw|nE|nW|sE|sW))*

1Nw-2sE7nE6Sw

Substitution

1Nw-2sE7nE6Sw