regex101: Java Substitution Workspace

Pro

(?s)applies the following effective flags to the remainder of the pattern: gms

s modifier: single line. Allows a dot to match line terminators

.*?any character, repeated any number of times

Non-Capturing Group(?:(?=([DKE])((?!\1)[DKE])([DKE])([DKE]?)([DKE]?)([DKE]?)([DKE]?)([DKE]?)([DKE]?))(\9\8\7\6\5\4\3\2\1|\7\6\5\4\3\2\1|\5\4\3\2\1|\3\2\1))

Positive Lookahead(?=([DKE])((?!\1)[DKE])([DKE])([DKE]?)([DKE]?)([DKE]?)([DKE]?)([DKE]?)([DKE]?))

Group 1([DKE])

Character Class[DKE]

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

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

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

Group 2((?!\1)[DKE])

Negative Lookahead(?!\1)

\1the text saved by group 1

Character Class[DKE]

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

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

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

Group 3([DKE])

Character Class[DKE]

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

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

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

Group 4([DKE]?)

Character Class[DKE]?

?matches at most one character from the set below:

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

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

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

Group 5([DKE]?)

Character Class[DKE]?

?matches at most one character from the set below:

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

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

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

Group 6([DKE]?)

Character Class[DKE]?

?matches at most one character from the set below:

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

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

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

Group 7([DKE]?)

Character Class[DKE]?

?matches at most one character from the set below:

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

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

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

Group 8([DKE]?)

Character Class[DKE]?

?matches at most one character from the set below:

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

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

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

Group 9([DKE]?)

Character Class[DKE]?

?matches at most one character from the set below:

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

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

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

Group 10(\9\8\7\6\5\4\3\2\1|\7\6\5\4\3\2\1|\5\4\3\2\1|\3\2\1)

1st Alternative\9\8\7\6\5\4\3\2\1

\9the text saved by group 9

\8the text saved by group 8

\7the text saved by group 7

\6the text saved by group 6

\5the text saved by group 5

\4the text saved by group 4

\3the text saved by group 3

\2the text saved by group 2

\1the text saved by group 1

2nd Alternative\7\6\5\4\3\2\1

\7the text saved by group 7

\6the text saved by group 6

\5the text saved by group 5

\4the text saved by group 4

\3the text saved by group 3

\2the text saved by group 2

\1the text saved by group 1

3rd Alternative\5\4\3\2\1

4th Alternative\3\2\1

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

27 tokens

Regular Expression

(?s).*?(?:(?=([DKE])((?!\1)[DKE])([DKE])([DKE]?)([DKE]?)([DKE]?)([DKE]?)([DKE]?)([DKE]?))(\9\8\7\6\5\4\3\2\1|\7\6\5\4\3\2\1|\5\4\3\2\1|\3\2\1))

New

KEKEKEKD
abaabadfkfdDKEKDDEDDD
KEK
DKEKD
DED
DKEKDKEKD

Substitution

$10\n

KEKEKEKD
abaabadfkfdDKEKDDEDDD
KEK
DKEKD
DED
DKEKDKEKD