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

Regax for validate any variable string

$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.

mac address validation in hex or decimal form

regex cpf

Package from Site

more than two dots

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

Android logcat command line raw

Hopefully it can tell if it is android webview or not.

Hi it is me

Use regex to test whether a letter is a consonant or not. Use /[B-DF-HJ-NP-TV-Z]/ for capitals.

img html tag to xml Make sure it is an img tag before proceed

Regex to match Env Variable whole line

Password validator: 6-50 symbols Minimum 1 each: Upper case letter, Lower case letter, number, special symbol (!, @, #, $, %, ^, &, *, (, ), _, +, , ?). No other symbols allowed.

Match ip address with port

cmd : find -type f | grep -Eo '(.\/)+(.iRqDU1LMXL)+(.*.txt)'

([a-zA-Z\//]){0}\s(?[a-zA-Z]+)=?("(?[A-Za-z\d\s;:.\-\/\\%]*)")?

Get HTML attribute with /" inside

With this expression you can easily replace the indentation from 4 spaces and tabs mixed indented file to a pure indentation.