Regular Expressions (RegEx) Learn and Master | Look Around #7

Regular Expressions (RegEx) Tutorials from Scratch to Pro.
Look Around
What are Regular Expressions and why it is so famous?

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[prshendra]

Why cant we use optional sign '?' inside of lookbehind pattern? And why the solution is using [character set] which from what i know is only matching any single characters inside of those square brackets unless we put + or * sign.
Need explanation, please!

[freddieventura]

Not really sure what you did on using the Character Class [https] that has nothing to do with the exercise you are trying to do

[joelchacon]

Best vid I've seen on lookarounds, good job man!

[orange-vlcybpd]

Thanks a lot, was looking for a way to get numbers separated by dots.

[subashsharma]

/<(?=img)[^>]+>/ i cannot understand this regex pattern can you please

[hassantayf]

Hi,
if you give us more example to understand this lesson;
thank you very much.