Q&A Discussions

Help please regular expression python core

12th Jan 2021, 10:52 AM

sasan zare

1 Vote

Question about an exercise: Fill in the blanks to create a pattern that matches strings that contain 3 characters

6th May 2021, 10:03 PM

Younes M'rabti

0 Votes

re.sub(r'a(?=b)','*','The lion and the Fox')

4th Dec 2018, 10:40 AM

Johanna

Que programa me recomiendan para programar

0 Votes

7 Answers

24th May 2020, 5:09 PM

Levi

0 Votes

Am beginner of Java programming, so how can I be an expert?? How can I know what the subject Java entails??

18th Feb 2020, 2:11 AM

DarkGaming GG

-2 Votes

25th Feb 2021, 8:24 AM

Tinishu

How can i solve this?

0 Votes

19th May 2021, 11:46 AM

Vlad MDMA

What would [a^]* match?

-1 Vote

programming regular-expressions

18th Nov 2018, 12:16 PM

K Mayuri

Regular Expressions

1 Vote

Why my code dont print Valid

22nd Mar 2017, 9:28 PM

Thomas Zenglein

0 Votes

Fill in the blanks to create a pattern that matches string that contain 3 character out of which last is an exclamatory mark

16th May 2022, 4:51 PM

Reza Jaferyan

why the output have assitanc;instead,of assistance?

-11 Votes

11 Answers

4th Jul 2017, 1:20 PM

JAYAKUMAR K

0 Votes

Can we use variables for a pattern??

3rd Mar 2018, 3:21 PM

Azazul Islam

0 Votes

11th Jul 2019, 2:33 AM

Little KITE

What’s wrong?

0 Votes

Why should \D mean 1 or more non-digits?

27th Aug 2020, 2:20 PM

Elijah Oduyemi

2 Votes

Can someone write a rule using RegExp for me?

29th Aug 2016, 5:20 PM

Krishna Limani

javascript regular-expressions

0 Votes

7 Answers

9th Feb 2020, 7:49 PM

Aram

replace dosent work python

python3 regular-expressions strings

1 Vote

12 Answers

3rd Sep 2021, 12:05 PM

Kairav Bhatia

Why there are so many programming languages? Is there any language which is capable of everything?

basics comments compiler optionals regular-expressions update

17 Votes

21 Answers

5th Oct 2018, 3:35 PM

Skarma

Java Regex. How to define this pattern?

4 Votes

why does not this code pass 10 and 11 test cases of password validation?

31st Jul 2018, 8:45 AM

Steppenwolf

1 Vote

python python3 regular-expressions sololearn

13th Sep 2022, 9:33 AM

Elmira

PASSWORD VALIDATION

1 Vote

13 Answers

4th Jan 2021, 3:26 AM

CHANDAN ROY

Is there a simpler way to write this code?

python regular-expressions strings

1 Vote

12 Answers

5th Sep 2021, 6:02 PM

Akinlade Babatunde

(Py) Password Validation exercise

1 Vote

There is a mistake in code, excercise 7/8 of theme "Regular expressions"

20th Mar 2020, 7:55 PM

Kevin Holt

0 Votes

How to use re.sub on lists? Is it possible?

10th Oct 2018, 4:31 PM

Anastasia Murashova

lists regular-expressions

0 Votes

javascript regular-expressions

24th May 2020, 1:44 AM

Med D

Building calculator

-1 Vote

Can anyone explain me how r"(.+) \1" expression exactly works?

15th Jul 2021, 9:35 AM

dheeraj gupta

answer to regular expression question

3 Votes

7 Answers

5th Aug 2016, 6:16 AM

Ratnadeep Dey

0 Votes

c#password_validation regex regular-expressions

5th May 2020, 8:36 AM

Senthil Kumar

Regex to Valid Password

4 Votes

24 Answers

19th Jun 2020, 4:15 PM

Sharmin Rumpa

Lazy RegEx like `??` . I don't get it

lazy regular-expressions

1 Vote

replace a character python

6th Sep 2021, 9:44 AM

tebkanlo

1 Vote

I'm lost on how the out put doesn't include match 3 yet "g" is part of [a-z]

3rd Sep 2021, 3:43 PM

Kairav Bhatia

0 Votes

can anyone help me understand this line code?

5th Nov 2020, 10:55 AM

Moshao Makhele

1 Vote

I have many emails and i want to extract the emails wich username start with A or a and finish with r or R and .........

2nd Jul 2022, 1:02 PM

Shashi Singh

1 Vote

Guys please help me in this code...

4th Jul 2018, 6:38 PM

Omar

1 Vote

Which pattern would NOT match "123!456!"?

22nd Jun 2018, 9:30 PM

Omar

3 Votes

can someone help me in python3 re module (phone number validation)?

7th Apr 2017, 1:24 PM

UDDIPTA KHANDAIT

python python3 re regex regexp regular-expressions

1 Vote

26th Apr 2021, 1:59 AM

Imrane Aabbou

Where python lang. Use?

4 Votes

10th Nov 2016, 5:11 AM

Pooja Ghetia

Python regular expresion

How to generate random email address using regex in Java?

0 Votes

8 Answers

26th Apr 2017, 12:51 PM

고혁인

1 Vote

modules regular-expressions

6th Jan 2020, 2:46 PM

TheEngineerIN

Explain

3 Votes

r keyword in regular expression

4th Aug 2019, 3:23 AM

Indira

3 Votes

need help in understanding this line: String[] digits = number.split("(?<=.)");

14th May 2018, 7:39 PM

Sadia Mukhtar

2 Votes

How does the re.sub work?...does it change the string according to the modified raw string or vice versa????

1st Jul 2021, 7:35 AM

Matthew Tangpus

0 Votes

Why does Python hates my ":"?

7th Jun 2017, 11:54 PM

thomo

2 Votes

17th Jun 2018, 9:27 PM

misgav yosef

re in Python

5 Votes

How to find the first repeated consecutive charater in string ?

26th Feb 2017, 12:45 PM

AJESH KUMAR

0 Votes

I love this app and I was wondering if it will ever be expanded to RegEx or json courses

9th Jan 2021, 5:15 AM

Ankeshwarapu Hitesh

json regular-expressions

2 Votes

how to programme arduino. please teach me

18th Apr 2025, 3:55 PM

Megan Malone

0 Votes

what is the meaning of meta character?

23rd Nov 2017, 12:47 PM

Lemmin Lem

1 Vote