Looking to Search For a String Using Regex in Javascript?

I am encountering a string that looks like this: "No reservation is available to allocate within the group StorageGroup1. Total 330 GB of storage was requested"

However, sometimes I do not receive this exact string format, as the group name and total storage amount may vary. When I do get this specific format, I can confidently route the ticket to the correct group. What would be the most effective way to parse this information in order to extract the storage group name and the quantity, allowing me to create dynamic tickets?

javascriptregex

Answer №1

let myText = "An available reservation is needed for allocation within the StorageGroup1 group. The requested storage amount is 330 GB.";
let myPattern = /An available reservation is needed for allocation within the StorageGroup(\d) group. The requested storage amount is (.*) GB./g;
let result = myPattern.exec(myText);
if (result != null) {
  let storageGroup = result[1];
  let sizeRequested = result[2];
}

You can adjust myPattern to suit your requirements, I included the full sentences in it for precautionary measures. http://jsfiddle.net/xbvpsp19/

UPDATE following @krispykream4's feedback: If the group name could change, you can use the following:

let myUpdatedText = "An available reservation is needed for allocation within the StorageGroup1 group. The requested storage amount is 330 GB.";
let myUpdatedPattern = /An available reservation is needed for allocation within the (\w*)(\d) group. The requested storage amount is (.*) GB./g;
let updatedResult = myUpdatedPattern.exec(myUpdatedText);
if (updatedResult != null) {
  let storageGroupName = updatedResult[1];
  let specificGroup = updatedResult[2];
  let storageSize = updatedResult[3];
}

http://jsfiddle.net/LhL0w232

Answer №2

Here is an example of how it will look:

let message = "No available reservations can be found in the StorageGroup1 group. A total of 330 GB storage was requested.";

let result = message.match(/\d+\sGB/)[0];

/\d+\sGB/ breakdown:

The pattern \d+ represents one or more digits, followed by a \s whitespace character, and finally ending with GB to indicate gigabytes.

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