Regular Expressions 101

Pro

^start of string

httpthe literal text http (case sensitive)

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negated Character Class[^/]*?

*?matches any number of characters outside the set below:

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 1((?:\/[^/]*?){2})

Non-Capturing Group(?:\/[^/]*?){2}

{2}repeats the group contents below exactly 2 times:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negated Character Class[^/]*?

*?matches any number of characters outside the set below:

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Detailed match information will be displayed here automatically.

26 tokens

^https?:\/\/[^/]*?((?:\/[^/]*?){2})

https://yoursite/top-news/post-2023-03-17-182258/