This RegEx was posted on a Ruby site as one for enforcing password pattern. I added {8,32} to limit the length of the password, even though I realize no one has passwords longer than that. Rules: at least 1 digit, 1 special character (as defined), 1 upper case and 1 lower case character, between 8 ...

It gets the playlistID and the videoID to conform the embed URL from the video URL

For selecting paths without filename

catch options

Extract from {"city":{"id":1217734,"name":"Boysun","findname":"BOYSUN","country":"UZ","coord":{"lon":67.198608,"lat":38.206108},"zoom":8,"langs":[{"link":"http:\/\/en.wikipedia.org\/wiki\/Boysun"},{"ru":"Бойсун"}]},"time":1394871628,"main":{"temp":274.74,"temp_min":274.74,"temp_max":274.74,"pressure...

Accepts spaces or not 1234567890 123 456 7890

Match 5 forward slashes

no reply e-mail addresses don't want to receive a reply. Unfortunately, not all no reply e-mail addresses are formatted like noreply@domain.tld, so in order to catch as many of them as possible I made this regular expression which matches many forms of no reply e-mail addresses.

Gets all variable names

Searches for dotted decimal IPv4 Adresses and saves the numbers in match groups.

You would like to scan a folder containing many files (Example : *.pb, *.pbi, *.pbp and *.pbf) and you are interested only by two type of files (example : *.pb and *.pbi). This expression will match only if extension match (in this case *.pb and *.pbi) otherwise no reaction. Feel free to change file...

This is why