Regular Expressions 101

Explanation
Pro

Group 1(K|k)

1st AlternativeK

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

2nd Alternativek

kthe literal k (107₁₀ / 153₈ / 6B₁₆) (case sensitive)

eythe literal text ey (case sensitive)

Group 2([U|u]p|[D|d]own|[P|p]ress)

1st Alternative[U|u]p

Character Class[U|u]

Uthe literal U (85₁₀ / 125₈ / 55₁₆) (case sensitive)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

uthe literal u (117₁₀ / 165₈ / 75₁₆) (case sensitive)

pthe literal p (112₁₀ / 160₈ / 70₁₆) (case sensitive)

2nd Alternative[D|d]own

Character Class[D|d]

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

|the literal | (124₁₀ / 174₈ / 7C₁₆)

dthe literal d (100₁₀ / 144₈ / 64₁₆) (case sensitive)

ownthe literal text own (case sensitive)

3rd Alternative[P|p]ress

Character Class[P|p]

Pthe literal P (80₁₀ / 120₈ / 50₁₆) (case sensitive)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

pthe literal p (112₁₀ / 160₈ / 70₁₆) (case sensitive)

ressthe literal text ress (case sensitive)

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

(K|k)ey([U|u]p|[D|d]own|[P|p]ress)

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