([a-zA-Z0-9.-]+@[a-zA-Z0-9.-]+\.[a-zA-Z0-9_-]+)

^(((\d{3}[1-9]|\d{2}[1-9]\d|\d[1-9]\d{2}|[1-9]\d{3})(\/)(((0[13578]|1[02])(\/)(0[1-9]|[12]\d|3[01]))|((0[469]|11)(\/)(0[1-9]|[12]\d|30))|(02(\/)(0[1-9]|[1]\d|2[0-8]))))|(((\d{2})(0[48]|2468|13579)|((0[48]|2468|3579)00))(\/)02(\/)29))$ Match year/month/day, date format. E.g: 2021/08/25 [match] 2021/...

This regex will help you to parse html tag. Example ...

This is a regex to use on JavaScript code that is missing semicolons

Other patterns

Match any syllable based on javanese script unicode

Validate a given IP v4 address against all three defined Private IPv4 Subnets as statet in RFC1918 10.0.0.0/8 172.16.0.0/20 192.168.0.0/16 ...

Matches the commands from Neebula Discovery Language NDL, which is used in ServiceNow Discovery Patterns.

Detects any Grabify IP tracker links

Detects any UUID 4 strings

SvelteComponent Class Directive Matching Also supports TailwindCSS-style @apply directive for the class value. class:directive={boolean} ...

Convert a bare url into organization/repo format in a Markdown link.

Parses the text following a '#' and a space all the way up to the next return character. Additional #'s can be added for parsing of other type of headings!

Validate an URL input.

Currency with dollar sign, two decimals, negative allowed, starting with period ok

Extract parts of a URL on Python

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

Adds += to Lua.

Select duplicate a.m. - p.m range

Regex to select PlantUML Block in Asciidoc documents