Regular Expressions (RegEx) Complete Tutorial.

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A RegEx, or Regular Expression, is a sequence of characters that forms a search pattern.
RegEx can be used to check if a string contains the specified search pattern

Topics discussed here:-
- Notation, Conventions & Modes of Regex
- Literal Characters
- Meta Characters
- Special Characters
- Exercise 1
- Character Set & Range
- Negative MetaCharacters
- How to Define Metacharacters Inside Characterset
- Exercise 2
- Repetition Metacharacters
- Quantifiers Regex
- Greedy & Lazy Approach
- Exercise 3
- Anchors & Multiline
- Grouping & Alternation

Usage of Regex :-

- Matching a password.
- Matching Phone Number.
- Refactoring HTML Code.
- WebScraping.
& many more...

Regex is widely used in coding world.
Let's master it :)

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Wow! this is among the best regex tutorial on the youtube. Great lesson

akprosperityconnect
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Very wonderful, you are a magnificent teacher 🎉❤

marvelomologbe
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I have studied many regex tutorial.. Your tutorial made me through it😊

adarshtiwary
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Thx for your course. It's really helpful to understand Regex more better😄

Shamilichkya
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Thanks . This is the best tutorial for regex

rennyindia
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you really cleared my concern, thank you

gulzarahamed
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Dear Madam many many thanks for your wonderful support in this hardest topic.. love and respect from Bangladesh.💌💌💌💌💌💌💌💌💌💌💌💌😍

Mehedihasan-rahat
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HiI am struch i=to extract 23.55 km/kg and 55.65kmpl values, i need only values ends with km/kg, and 205Nm@ 1800-2800rpm' and '146Nm at 4800 rpm', 11.5@ 4, 500(kgm@ rpm) in this i need only to extract digits i.e 1800, 146, 11.5, kindly suggest me

basavarajag