A string with only numbers in

The following regular expression matches only letter a-z A-Z numbers 0-9 and a blank space for a given string.

This regex should extract the subdomain, if any, or the domain, if no subdomain is used, from an arbitrary URL

sdfs sdfs FLBREV00022230 dsfsdfs sdfsf FLBREV00022234 In this case is false

Use this regex to select all characters up to the "" bracket. It works across multiple lines. You can get an email list with only the IDs. This is the pattern it matches: Alpha Person Step 1 (.*) [$ Step 2 [$.$] (.*) gives you aperson@whatever.org...

Simply searches for the thread-id in any kind of valid reddit-URL.

Regex used in Splunk to extract fields from Mikrotik FW. NOTES: Mikrotik must be configured to use "BSD Syslog" format FW rules must add, as log prefix, the action: drop accep...

This regex validates varying types of telephone numbers.

This regex prevents the writing of non-standard conventional commits. I'm available on my github

Check for true or false street address format

Validates DateTime of format YYYY-MM-DD hh:mm:ss including Leap Year

This may be useful or not to test whether a given string is a valid (more or less) html color value. It matches color values such as: #123 - short hex color value #123456 - hex color value rgb(255,255,0) - rgb color value rgba(255,255,0,1.0) - rgba color value hsl(360,100%,100%) - hsl color value...

YourLink - not found AnotherLink - found

extract video id, index, play list id from youtube url

Check "codice fiscale"