Regular Expressions 101

Pro

1st Alternative(?<=([aui]))[wy](?=\1)

Positive Lookbehind(?<=([aui]))

Group 1([aui])

Character Class[aui]

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

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

ithe literal i (105₁₀ / 151₈ / 69₁₆) (case sensitive)

Character Class[wy]

wthe literal w (119₁₀ / 167₈ / 77₁₆) (case sensitive)

ythe literal y (121₁₀ / 171₈ / 79₁₆) (case sensitive)

Positive Lookahead(?=\1)

\1the text saved by group 1

2nd Alternative(?<=i)[wy](?=u)

Positive Lookbehind(?<=i)

ithe literal i (105₁₀ / 151₈ / 69₁₆) (case sensitive)

Character Class[wy]

wthe literal w (119₁₀ / 167₈ / 77₁₆) (case sensitive)

ythe literal y (121₁₀ / 171₈ / 79₁₆) (case sensitive)

Positive Lookahead(?=u)

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

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

(?<=([aui]))[wy](?=\1)|(?<=i)[wy](?=u)

New

asdawasda
asdayasda
asdiwisda
asdiyisda
asduwusda
asduyusda

asdawisda
asdawusda

asdayisda
asdayusda

asdiwasda
asdiwusda

asdiyasda
asdiyusda

asduwasda
asduwisda

asduyasda
asduyisda

ramiyun
da9iwun

Extraction

asdawasda
asdayasda
asdiwisda
asdiyisda
asduwusda
asduyusda

asdawisda
asdawusda

asdayisda
asdayusda

asdiwasda
asdiwusda

asdiyasda
asdiyusda

asduwasda
asduwisda

asduyasda
asduyisda

ramiyun
da9iwun