Regular Expressions 101

Pro

Group 1(COT|MED)

1st AlternativeCOT

COTthe literal text COT (case sensitive)

2nd AlternativeMED

MEDthe literal text MED (case sensitive)

Character Class[AB]?

?matches at most one character from the set below:

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

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

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[\dJK]{1,8}

{1,8}matches between 1 and 8 characters from the set below:

\da digit

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

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

Group 2(\s+D{1,3})?

?repeats the group contents below at most once:

\s+any whitespace character, repeated at least once

D{1,3}the literal D (68₁₀ / 104₈ / 44₁₆) (case sensitive), repeated between 1 and 3 times

\ban ASCII word boundary

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

(COT|MED)[AB]?-?[\dJK]{1,8}(\s+D{1,3})?\b

MED-125
COTA-1224
MED4
COTB-892K777
MED-33 DDD
MED-12J44445
MED-234J5672
COT-11161K11111111111111

MED-125
COTA-1224
MED4
COTB-892K777
MED-33 DDD
MED-12J44445
MED-234J5672
COT-11161K11111111111111