Note: replace the "\." with "\\." if you paste this on your java. The regex will match if the package name is valid. example: my.new.hello.world.app Supports: a-z 0-9 and underscore Supports multiple dots

Regex AU Phone or Mobile Numbers starting with 04 or 06

Match uppercase or lowercase GUIDs in any of the following formats: 00000000-0000-0000-0000-000000000000 00000000000000000000000000000000 {00000000-0000-0000-0000-000000000000} (00000000-0000-0000-0000-000000000000) {0x00000000,0x0000,0x0000,{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}}

find spaces around - & + signs

Inteiros ou float (neste caso, remover o segundo grupo).

Strong passwords validator.

Email validator

Matching a decimal numbers

Replacing URL through Hyperlink in Text

GMT Time zone regex

ds100reg5

Grabs the ID for the regex101.com permalink to code.

Extract time from text

Get domain name from URL

Data 100 Regular Expressions, adapted from Princeton

Data 100 Regular Expression 4, adapted from Princeton

Extract URL parts only named capturing groups

Extract parts of a URL on Python

Removes the prefix leaving just the ticket number

Match any url in text or html (http, https)