I have string with various endings; however, they all have a substring in common in toward the end of the string, @R2_
I want to search for anything with @R2_ in its ending and replace it with @R2_leaf
how do i do this in perl?
On Microsoft Windows, if when you click or type the name of a .pl file, you get an error "is not recognized as an internal or external command, operable program or batch file", then this means you do not have the .pl file extension associated with …
Email validation in proper way is very important validation required in any web pages.
This code is self explainable except that Regular Expression which I used for pattern matching.
I originally published as a thread on my website : http://www…
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: