i want a command or a script that i give it a sentince and it finds if there is a word that available in the sentence twice and if yes it deletes one of the words.
$sentince = "lol i am on lol fire help me "
after the command or the script i get
$sentence = "lol i am on fire help me"
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions.
Consider email address RFCs:
Look at HTML5 form input element (with type=email) regex pattern:
The viewer will learn how to create a basic form using some HTML5 and PHP for later processing.
Set up your basic HTML file. Open your form tag and set the method and action attributes.:
Set up your first few inputs one for the name and …