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Regular Expressions (Regex) Tutorial: How to Match Any Pattern of Text

admin by admin
May 24, 2020
Home Lập Trình PHP
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In this regular expressions (regex) tutorial, we’re going to be learning how to match patterns of text. Regular expressions are extremely useful for matching common patterns of text such as email addresses, phone numbers, URLs, etc. Almost every programming language has a regular expression library, so learning regular expressions with not only help you with finding patterns in your text editors, but also you’ll be able to use these programming libraries to search for patterns programmatically as well. Let’s get started…

The code from this video can be found at:

Python Regex Tutorial:

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Comments 34

  1. tasmich says:
    2 years ago

    Great job! Thanks about that tutorial you really helped me with my college project!

    Reply
  2. uday kiran says:
    2 years ago

    how did you get that highlighting in Atom editor? for me it is just continues block

    Reply
  3. Me Arman says:
    2 years ago

    Hi, I have a question regarding the Group thing on the last part. for some reason when i do it on my Jupyternotebook it didn't work and only shows Group 3: $3 instead of the one like yours. is there something i can do about it or maybe its just the update that happened to it?

    Reply
  4. Arun C Shaji says:
    2 years ago

    Awesome tutorial

    Reply
  5. Sergey Mart says:
    2 years ago

    Can’t thank you enough

    Reply
  6. Kelvin Otieno says:
    2 years ago

    OMG. I am just 11 minutes into this tutorial and I have already found a solution to my problem…But I am just going to watch the rest of the video.😂

    Reply
  7. Rakesh Singh says:
    2 years ago

    Big Thanks for you such a Nice explanation 🙂

    Reply
  8. Abdelhamid Ismail says:
    2 years ago

    best Regex tutorial on youtube , no shit.

    Reply
  9. Jose Santiago says:
    2 years ago

    what if the text to be searched can be anything the user enters… Example: A user enters: XX123 that is set to a variable called search, so search = "XX123", how do I add that search into a regex expression? Not that particular XXX123 but anything that is set to search?

    Reply
  10. Ashish Verma says:
    2 years ago

    super amazing video tutorial! Thank you very much 🙂

    Reply
  11. greggers greggers says:
    2 years ago

    Perfect intro. Thank you!

    Reply
  12. anonymous __ says:
    2 years ago

    We owe u Corey Schafer…!!!

    Reply
  13. Steve00007 says:
    2 years ago

    This was the video that made Regex go from “I hate Regex” to, “I like Regex!”
    Still working on my Regex skills but I feel confident of solving scenarios to a high standard now.

    Reply
  14. Mehmet Melih Görmezoğlu says:
    2 years ago

    which interface that he use which indicate the valid expressions on the screen?

    Reply
  15. Ivan J. Lemongo says:
    2 years ago

    This is an excellent tutorial on the basics of regex ! I don't usually comment on YT videos unless I find a really solid tutorial. This is one of those rare cases. Thank you for explaining it, breaking it down and demystifying regex.

    Reply
  16. Klauss Kent says:
    2 years ago

    Someone can help me quick please ?
    You see the digits your provided for example 879-875-562 , how i do to only display or match 879875562 like this without the (-) in the middle. Thanks

    Reply
  17. charith ekanayake says:
    2 years ago

    Thank You so much

    Reply
  18. silverball01 says:
    2 years ago

    I have been struggling with regex for over a year, and things finally started to click with this video. How would I match pattern of text for lines that do not have similarities? For instance:

    "weekly
    rotate 13
    create
    dateext
    compress"

    I am trying to write my regex to capture all of this, but I am not sure how to write it out.

    Reply
  19. Livewithzeal says:
    2 years ago

    Very very helpful thank you

    Reply
  20. lolo popo says:
    2 years ago

    Experimenting with ad networks is really important for publishers! I increased my income by 22% by just using MonadPlug ad network – a network I was not aware of until recently! I recommend to everyone!

    Reply
  21. Dan Israel says:
    2 years ago

    Outstanding tutorial. Thanks for your effort

    Reply
  22. Ghanshyam Yadav says:
    2 years ago

    Hi Corey, very informative video. my requirement is>> Country code:<IN> or Country code:<[Not Available] > , if country code there then i want to capture, if not there i don't want to capture anything means i need blank as Matcher.Find() value. Can you please help on this.

    Reply
  23. Rakesh Gautam says:
    2 years ago

    you are awesome

    Reply
  24. Luthiers says:
    2 years ago

    Please put the advanced version of this video 😀 Loved it!

    Reply
  25. FaTal Cubez says:
    2 years ago

    Fantastic tutorial!

    Reply
  26. narindhil1 says:
    2 years ago

    Thank you very much, this was so helpful

    Reply
  27. Tal Monso says:
    2 years ago

    This is clearly the best RegEx video that someone has done in the history of man kind

    Reply
  28. RZ PAPAX says:
    2 years ago

    Damn Man am Loving You <3 perfect Tutor in the world i don't know how you get ideas to teach so easily . Love

    Reply
  29. Manuel Apostol says:
    2 years ago

    great tutorial! thank you!

    Reply
  30. 惜小夜 says:
    2 years ago

    Excellent tutorial with clear explanations. 😊

    Reply
  31. Lisa LI says:
    2 years ago

    Great introduction video! Thank you for sharing. I was wondering what's the editor you used and how you connected to google drive?

    Reply
  32. Linda Phan says:
    2 years ago

    Love your teaching!

    Reply
  33. Harish K says:
    2 years ago

    how to get inside square bracket value ex: a='[TE-7665] regular expression' i wantto get only square bracket value

    Reply
  34. Andreas Grsnik says:
    2 years ago

    Hi bro.

    I don't quite understand what to do if I want to match a URL that has a certain word after the top-level domain.

    For example the word "list"

    All websites of testurl.com should not match but if the URL would be testurl.com/jds99=listplk32 my regex in my pi hole should block the page.

    I want to prevent that Youtube Playlist can not be opened in the network.

    Reply

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