Python Regular Expressions (RegEx) | Regular Expressions In Python | Python Tutorial | Simplilearn

///Python Regular Expressions (RegEx) | Regular Expressions In Python | Python Tutorial | Simplilearn

Python Regular Expressions (RegEx) | Regular Expressions In Python | Python Tutorial | Simplilearn

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This Python regular expressions tutorial will help you understand what are regular expressions and symbols for writing regular expressions along with a demo on how to use these. Regular expressions are a set of characters that helps one identity strings of a specific pattern. The history of regular expressions came from a number of other languages. Now, let us get started and understand how to use the regular expressions along with a demo.

Below topics are explained in this Python regular expressions tutorial:
1. What are regular expressions? (00:15)
2. Symbols for writing regular expressions (01:41)
– $: Specifies that the match must occur at the end of the string
– []: Matches one out all characters within the brackets
– [^..]: Matches anyone characters except those not in the brackets
– .: Represent ss single occurrence of any character except newline
– ?: The preceding character is optional
– ^: Specifies that the match must start at the beginning of the string

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By |2020-09-30T09:48:22+00:00September 30th, 2020|Python Video Tutorials|9 Comments

9 Comments

  1. Simplilearn September 30, 2020 at 9:48 am - Reply

    Do you have any questions on this topic? Please share your feedback in the comment section below and we'll have our experts answer it for you. Thanks for watching the video. Cheers!

  2. Vishu Mudgal September 30, 2020 at 9:48 am - Reply

    i want to convert: Bowmore 46 year old (distilled 1964), 42.9%
    into : Bowmore 46 year old 42.9%
    how to go for it i am facing trouble because of () and the srtring in it.
    treating (string ) is very confsuing.
    please help.

  3. Shashank Sharmadon September 30, 2020 at 9:48 am - Reply

    Plz add Django full course , previous course was not complete one…….
    slug
    one to one field
    one to many field
    many to many field relationship

    and async

    is missing

  4. Angela.S Mak September 30, 2020 at 9:48 am - Reply

    wow, very short and straightforward, easy to understand. Thank you very much.
    However I have a question, What if I have 4 different strings, what is the best way to find match for lowercase, uppercase, or digits from each string? Looking forward to hear back from you soon, since it is my assignment for my class. Thanks

  5. Bhaskar Banepali September 30, 2020 at 9:48 am - Reply

    hello Richard, can you help me on this one.
    in the given text like this

    "My name is person_namenn"

    how can I escape in the regular expression the beginning " and the ending " as well as escape n?

  6. Kamron Hopkins September 30, 2020 at 9:48 am - Reply

    Audio quality sounds bad…

  7. sathish babu September 30, 2020 at 9:48 am - Reply

    Thanks for your response and it's very use full to beginner's …!thanks lot your making nice and useful video's

  8. sathish babu September 30, 2020 at 9:48 am - Reply

    Nice explanation. Good job, please upload django, flask and API calls

  9. Jhonatan da silva September 30, 2020 at 9:48 am - Reply

    Regular expressions are great, who else uses for web scrapping?

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