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When I go to the url mysite.com/photos/120 I’m wanting to get the 120 out. In the PHP I want to be able to ...

I often need to kill a process during programming. The way I do it now is:...

This question already has answers here: Regular expression to match a line that doesn’t contain a word (31 answers) Closed 2 years ago. ...

How can I count the number of times a particular string occurs in another string. For example, this is what I am trying ...

Obviously, you can use the | (pipe?) to represent OR, but is there a way to represent AND as well? Specifically, I’d like ...

How can I check if a given string is a valid URL address? My knowledge of regular expressions is basic and doesn’t allow ...

I want to use JavaScript (can be with jQuery) to do some client-side validation to check whether a string matches the regex: ^(...

I’m trying to put together a comprehensive regex to validate phone numbers. Ideally it would handle international formats, but it must handle US ...

Is it possible to detect a valid regular expression with another regular expression? If so please give example code below. 9 s 9 ...

I have been trying to work out the syntax for this command: grep ! error_log | find /home/foo/public_html/ -mmin -60 OR: grep '...