Regular Expressions 101

validates strings in time format HH:mm with hour in 24h format. only accepts up to 23:59

Get all headings in a Markdown Format Text

Check if brazilian names are imputed correctly. Ex: Paulo da Silva

/\b(+)\b/ig

validate an IP v4

Multiple emails seperated with comma allowed multiple dot ltds

Use to find css sizing that migh need conversion to vs or alike.

Strips all non "A-Z,a-z,0-9+-_" characters and replaces them with a single "-"

The complete regex for IBAN numbers

this regex detect any sql injections .

A regular expression which finds all instances of markdown links and helps with rewriting link paths.

This is a bit simpler version that is still quite robust. It was taken from a Formik example.

detect discord invite links such as: discord.gg/link discord.com/invite/link .gg/link .com/invite/link...

Viet Nam Phone Number Regex. This regex include: Cellphone number: Viettel, Vinaphone, Mobiphone, Vietnamobile, Iteltelecom, Reddi (055) Telephone number (such as: 024, 028,...) Start with Exactly 10 or 11 numbers

YouTubeVideoUrl

supports all major protocols