Regular Expressions 101

Could you help me validate my input and only match positive integers between the range of 0 and 100? There can be several numbers in a string which I would want to retrieve. Try out these example strings: ...

Strip all HTML tags from a string. HTML tags are enclosed in . The regex will be applied on a line-by-line basis, meaning partial tags will need to be handled by the regex. Don't worry about opening or closing tags; we just want to get rid of them all. Note: This task is meant to be a learning exe...

I had to check for myself, but I thought, suddenly someone also come to someone later =)

Password requirements Contains at least 1 number Contains at least 1 special character Contains at least 1 uppercase letter Contains at least 1 lowercase letter ...

Regex Pattern ^\s+|\s+$|(\s)\s+ Replacement $1 ...

BCP 47, RFC 5646, Tags for Identifying Languages Phillips, A., Ed., and M. Davis, Ed., "Tags for Identifying Languages", BCP 47, RFC 5646, DOI 10.17487/RFC5646, September 2009, .

Used with Java regexp. F.e. you can use replaceAll("regexp", "filePath").

Validates an IPv4 address for use as a URI host as defined in RFC-3986.

#day tralalala #"day" tralalala #'beautiful_day'