Regular Expressions 101

^start of line

Non-Capturing Group(?:C[AB]|F[DE]|[ABDEG-Z])+

+repeats the group contents below at least once:

1st AlternativeC[AB]

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

Character Class[AB]

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

Bthe literal B (66₁₀ / 102₈ / 42₁₆) (case sensitive)

2nd AlternativeF[DE]

Fthe literal F (70₁₀ / 106₈ / 46₁₆) (case sensitive)

Character Class[DE]

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

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

3rd Alternative[ABDEG-Z]

Character Class[ABDEG-Z]

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

Bthe literal B (66₁₀ / 102₈ / 42₁₆) (case sensitive)

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

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

G-Zone character from G (71₁₀) to Z (90₁₀) (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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

^(?:C[AB]|F[DE]|[ABDEG-Z])+$

New

ABCDE
ACAFE
FDCBBB
FEAC doesn't match because nothing after C
CBYIU

ABCDE
ACAFE
FDCBBB
FEAC doesn't match because nothing after C
CBYIU