To check whether the given String contains 3 or more consecutive single digit numbers

This expression escapes characters, which have a special meaning in regex, like .?[]/ and so on. Use it to transform a string that you want to use literally in another regex. This is the second version, bug in replace string has been fixed.

simple url to web site match (es6)

Let's me extract time values from a conversation.

Used to search through the comments under the drawfriend post for numbers related to the images

I use this when doing full text searches in my IDE and want to find specific uses of a method (or function).

regex made to match any ftp or sftp url with a limited number of subfolder

Validates upper and lower case, allows all : or all -. Obtained here: http://stackoverflow.com/questions/4260467/what-is-a-regular-expression-for-a-mac-address ...

Policy: At least five digits. No whitspaces. Two out of four groups - digits, lowercase, uppercase, special charterers