Regular Expressions 101

Pro

^start of line

.+any character (except for line terminators), repeated at least once

Positive Lookahead(?= (?:DJ|MU|[NS]K)-)

the literal (32₁₀ / 40₈ / 20₁₆)

Non-Capturing Group(?:DJ|MU|[NS]K)

1st AlternativeDJ

DJthe literal text DJ (case sensitive)

2nd AlternativeMU

MUthe literal text MU (case sensitive)

3rd Alternative[NS]K

Character Class[NS]

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

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

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

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

^.+(?= (?:DJ|MU|[NS]K)-)

DJXFSE DJ-13 - ABC
MUEKOP MU-27 - ABC
DJXFSE DJ-12 - ABC
NOVA KNSEAC NK-26-4 - ABC
NOVA KNSEAC NK-26-9 - ABC
SRFI KRSIXUR SK-45 ABC2