Retrieve the file extension of a filename

-ltr --time-style='+%s'

more than two dots

Match em um IPv4 válido

Package from Site

获取变量值等

Finds a number that is 9 digits long. Can have spaces or hyphens in between the numbers and will still be found

Finds a number that is 13-16 digits long. Can have spaces or hyphens in between the numbers and will still be found.

A regex string to validate flight number

This regex target each html tag with their children and their value

Parsing data in SAFE text file

regex cpf

Combat md.replace(regex, "") and md.replace("`", "") to replace Markdown codeblocks with HTML ones

Using capturing group to match any text between [ and ] Test string '([Total Revenue] + [COGS] + [Distribution Costs] + [Sales Force Costs] + [A&P Costs] + [NDA Affairs Costs] + [Other Operating Costs]) * - [NDA share]'

mac address validation in hex or decimal form

css class

$1 or $channel = channel name $2 or $bullshit = text to ignore $3 or $url = channel url "HD" inside of `` group is search string to find all channels (with their urls) which names contain it. Feel free to play around with it.

phone number matcher

Regax for validate any variable string

匹配中、英文、数字、全角符号，破折号和下滑线，不匹配除了这些以外的其他字符