This regular expression validates if given string is formatted in Base64, additional it accepts new lines, since payload can have new lines in it.

x+x^10+10x^(-3) get all valuem one by one

List of possible IPs

Checks if an input string is compatible with the BOOLEAN mode of MySQL full text search system

get full URL address split by delimiter.

Match theses types of input : 0 0,00 0,07 7 3,5...

Validates an URL of a web page

The given regex matches the IPV4 address of given ip address string.

Removes up to and including #n...n and including and beyond [ ' e.g. ...Baby One More Time #1 [0s]

begins with letters , then a dash or underscore and ends with letters Perfect for Language Culture Names like 'fr-FR' (or 'fr_FR')