Regular Expressions 101

Pro

^start of line

Group 1(\d{4})

\d{4}a Unicode decimal digit, repeated exactly 4 times

-the literal - (45₁₀ / 55₈ / 2D₁₆)

1st AlternativeACE

ACEthe literal text ACE (case sensitive)

2nd AlternativeAEA

AEAthe literal text AEA (case sensitive)

3rd AlternativeA[AG]L

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

Character Class[AG]

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

Gthe literal G (71₁₀ / 107₈ / 47₁₆) (case sensitive)

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

4th AlternativeAN[EM]

ANthe literal text AN (case sensitive)

Character Class[EM]

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

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

5th AlternativeAS[WO]

ASthe literal text AS (case sensitive)

Character Class[WO]

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

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

6th AlternativeAWP

AWPthe literal text AWP (case sensitive)

7th AlternativeWT[EW]

WTthe literal text WT (case sensitive)

Character Class[EW]

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

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

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 3(\d{3,6}.*)

\d{3,6}a Unicode decimal digit, repeated between 3 and 6 times

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

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 4(OE|NRA)

1st AlternativeOE

OEthe literal text OE (case sensitive)

2nd AlternativeNRA

NRAthe literal text NRA (case sensitive)

$end of line

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

No unit tests · Add a test to get started

25 tokens

Regular Expression

^(\d{4})-(ACE|AEA|A[AG]L|AN[EM]|AS[WO]|AWP|WT[EW])-(\d{3,6}.*)-(OE|NRA)$

Unit Tests

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