I have a MongoDB NoSQL database, the name is baike, there is a collection named baike_items with the following format: id: title: baike_id page_url text All other fields are fine except the page_url. Some of the urls are normal like:…
I have a set of patterns and I want to check if all of them apply to at least one character in a string. The patterns I am using are: [a-z],[A-Z],[0-9] and [^a-zA-Z0-9- ]. I plan to assemble these into…
I'm currently running a query on MongoDB, the field I'm querying contains values such as 123245123 - Johnson-Perez. If I build a query such as {"name":/123245123/ix} I get tons of rows and that's fine, however, as soon as you add…
I need to print only the 1st match from each line. My file contains text something like this: cat t.txt abcsuahrcb abscuharcb bsaucharcb absuhcrcab He is the command I am trying with: cat t.txt | grep -oP 'a.*?c' It gives:…
So, my program can accept strings like: v00240004 Lorem ipsum dolor sit amet, consectetur adipiscing elit. v0345 Duis nec eleifend nulla.. and also a string without a version number: Vivamus blandit et nibh nec placerat. In hac habitasse platea dictumst.…
As per this document there is change in regex methodology from vs 2010 to vs 2012. Using below Regex I am able to exclude all the comment in VS2010 for all cases ^~(:b*').*your_search_term. But when we try below regex (After…
I have written a validation for excepting files which has extension of .xls and .xlsx So here is the code below. function isFileValid() { var allowedFiles = [".xlsx", ".xls"]; // var allowedFiles = [".xls"]; var fileUpload = document.getElementById("MainContent_fluploadData"); var fileChanged…
The packages are in the same folder and are able to list by " ls -al | cut -c 47-" and show as below ncurses-6.2 netifd-2020-06-06-51e9fb81 net-snmp-5.9.1 nettle-3.5.1 nginx-util-1.4 odhcpd-full openldap-2.4.48 openssl-1.1.1g pciutils-3.7.0 pcre-8.44 pcsc-lite-1.8.13 I want to print out…
I'm trying to remove extra lines between the texts and here is what I tried: <?php echo preg_replace("/^s+/", "n", $_POST["description"]); The input: The output: I tried the same regular expression on regex101 and here is the result: As you can…
I'm editing in bulk some markdown files to be compliant with mkdocs syntax (material theme). My previous documentation software accepted bold inside codeblock, but I discover now it's far from standard. I've more than 10k codeblocks in this documentation, with…