regex101: PCRE (Legacy) Match Workspace

Pro

1st Alternative(?:(?:0(?=1)|1(?=2)|2(?=3)|3(?=4)|4(?=5)|5(?=6)|6(?=7)|7(?=8)|8(?=9)){2,}\d|(?:a(?=b)|b(?=c)|c(?=d)|d(?=e)|e(?=f)|f(?=g)|g(?=h)|h(?=i)|i(?=j)|j(?=k)|k(?=l)|l(?=m)|m(?=n)|n(?=o)|o(?=p)|p(?=q)|q(?=r)|r(?=s)|s(?=t)|t(?=u)|u(?=v)|v(?=w)|w(?=x)|x(?=y)|y(?=z)){2,}[[:alpha:]])

Non-Capturing Group(?:(?:0(?=1)|1(?=2)|2(?=3)|3(?=4)|4(?=5)|5(?=6)|6(?=7)|7(?=8)|8(?=9)){2,}\d|(?:a(?=b)|b(?=c)|c(?=d)|d(?=e)|e(?=f)|f(?=g)|g(?=h)|h(?=i)|i(?=j)|j(?=k)|k(?=l)|l(?=m)|m(?=n)|n(?=o)|o(?=p)|p(?=q)|q(?=r)|r(?=s)|s(?=t)|t(?=u)|u(?=v)|v(?=w)|w(?=x)|x(?=y)|y(?=z)){2,}[[:alpha:]])

1st Alternative(?:0(?=1)|1(?=2)|2(?=3)|3(?=4)|4(?=5)|5(?=6)|6(?=7)|7(?=8)|8(?=9)){2,}\d

Non-Capturing Group(?:0(?=1)|1(?=2)|2(?=3)|3(?=4)|4(?=5)|5(?=6)|6(?=7)|7(?=8)|8(?=9)){2,}

{2,}repeats the group contents below at least 2 times:

1st Alternative0(?=1)

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Positive Lookahead(?=1)

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

2nd Alternative1(?=2)

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

Positive Lookahead(?=2)

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

3rd Alternative2(?=3)

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

Positive Lookahead(?=3)

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

4th Alternative3(?=4)

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

Positive Lookahead(?=4)

4the literal 4 (52₁₀ / 64₈ / 34₁₆)

5th Alternative4(?=5)

4the literal 4 (52₁₀ / 64₈ / 34₁₆)

Positive Lookahead(?=5)

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

6th Alternative5(?=6)

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

Positive Lookahead(?=6)

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

7th Alternative6(?=7)

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

Positive Lookahead(?=7)

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

8th Alternative7(?=8)

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

Positive Lookahead(?=8)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

9th Alternative8(?=9)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

Positive Lookahead(?=9)

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

\da digit

2nd Alternative(?:a(?=b)|b(?=c)|c(?=d)|d(?=e)|e(?=f)|f(?=g)|g(?=h)|h(?=i)|i(?=j)|j(?=k)|k(?=l)|l(?=m)|m(?=n)|n(?=o)|o(?=p)|p(?=q)|q(?=r)|r(?=s)|s(?=t)|t(?=u)|u(?=v)|v(?=w)|w(?=x)|x(?=y)|y(?=z)){2,}[[:alpha:]]

Non-Capturing Group(?:a(?=b)|b(?=c)|c(?=d)|d(?=e)|e(?=f)|f(?=g)|g(?=h)|h(?=i)|i(?=j)|j(?=k)|k(?=l)|l(?=m)|m(?=n)|n(?=o)|o(?=p)|p(?=q)|q(?=r)|r(?=s)|s(?=t)|t(?=u)|u(?=v)|v(?=w)|w(?=x)|x(?=y)|y(?=z)){2,}

{2,}repeats the group contents below at least 2 times:

1st Alternativea(?=b)

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

Positive Lookahead(?=b)

2nd Alternativeb(?=c)

3rd Alternativec(?=d)

4th Alternatived(?=e)

5th Alternativee(?=f)

6th Alternativef(?=g)

7th Alternativeg(?=h)

8th Alternativeh(?=i)

9th Alternativei(?=j)

10th Alternativej(?=k)

11th Alternativek(?=l)

12th Alternativel(?=m)

13th Alternativem(?=n)

14th Alternativen(?=o)

15th Alternativeo(?=p)

16th Alternativep(?=q)

17th Alternativeq(?=r)

18th Alternativer(?=s)

19th Alternatives(?=t)

20th Alternativet(?=u)

21st Alternativeu(?=v)

22nd Alternativev(?=w)

23rd Alternativew(?=x)

24th Alternativex(?=y)

25th Alternativey(?=z)

Character Class[[:alpha:]]

2nd Alternative([a-zA-Z0-9])\1\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

25 tokens

Regular Expression

(?:(?:0(?=1)|1(?=2)|2(?=3)|3(?=4)|4(?=5)|5(?=6)|6(?=7)|7(?=8)|8(?=9)){2,}\d|(?:a(?=b)|b(?=c)|c(?=d)|d(?=e)|e(?=f)|f(?=g)|g(?=h)|h(?=i)|i(?=j)|j(?=k)|k(?=l)|l(?=m)|m(?=n)|n(?=o)|o(?=p)|p(?=q)|q(?=r)|r(?=s)|s(?=t)|t(?=u)|u(?=v)|v(?=w)|w(?=x)|x(?=y)|y(?=z)){2,}[[:alpha:]])|([a-zA-Z0-9])\1\1+

New

test345testcdetest2345678testlmnopqrtest34tes333tcdtestzzzzz

Substitution

test345testcdetest2345678testlmnopqrtest34tes333tcdtestzzzzz