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Javascript href help
Heir
Ausitn, TXRegistered User regular
Ausitn, TXRegistered User regular
Hey all,
I haven't really had to do any kind of scripting/coding in over a decade, so I'm super rusty.
I'm writing a simple function that will check for the presence of any length string of numbers at a certain point in a url. I can use the href attribute to see if the
I'm assuming some RegEx might be in order...but that's the devil's tongue, and I woefully do not speak it. Could I get some help? Would RegEx be the best approach anyways?
Other points:
1. There will never be anything after that set of numbers.
2. I need to be able to capture that set of numbers to store in a variable.
I haven't really had to do any kind of scripting/coding in over a decade, so I'm super rusty.
I'm writing a simple function that will check for the presence of any length string of numbers at a certain point in a url. I can use the href attribute to see if the
href == "something.com/requests/1234", but not sure how to write it to check for something like
href == "something.com/requests/[NUMBERS HERE]"
I'm assuming some RegEx might be in order...but that's the devil's tongue, and I woefully do not speak it. Could I get some help? Would RegEx be the best approach anyways?
Other points:
1. There will never be anything after that set of numbers.
2. I need to be able to capture that set of numbers to store in a variable.
Heir on
0
Posts
let url = new URL("something.com/requests/1234"); let parts_of_path = url.pathname.split("/");The regular expression is /[0-9]+$/, and it matches any character in the brackets (0-9, so any digit) 1 or more times (the +), followed by the end of the string (the $ sign). So, any string ending with a series of numbers will return that series of numbers, otherwise it will return null.
More on regular expressions in Javascript can be found at https://www.w3schools.com/js/js_regexp.asp
My other solution was to use Slice() as the first set of characters will always be the same, so I could slice off the first 49 characters or whatever the count was. But I still need to make a check to ensure I'm on the right page before I run the above script.
The problem is that there can be other pages that have a url like
But on an existing request page (a ticket that has already been submitted, the format will always be
Any recommendations on checking for that specific format in the url before running any script?
Note the escaped-out forward slashes. This will match the literal "something.com/requests/" part of the string. This will return the entire string while matching, though, so groups need to be used to extract the part you are interested in. The parenthesis indicate a group, and the returned value is an array (actually it was always an array, I'm not great at javascript or I would've known to point that out) containing first the entire match, and then the matches for each group. Element 0 (result[0]) is the entire matching string, so "something.com/requests/12345", and our only group ([0-9]+) is element 1 (result[1]), which will be "12345".