Ideally, I would like to allow only a single hyphen, underscore, or space without another hyphen, underscore, or space following, e.g., "my- name", "my--name", and "my-_name" would all return false. Cheers! File systems, especially non Unix native ones, might be stricter, even when used on Unix. For a perfect example of this, look at Wikipedia. Please, which image file name is better for SEO: photographername_city_state_shortdescription.jpg or photographername_citystate_shortdescription.jpg Does putting underscores (_) between the city/state matter? I didn’t have an immediate answer about it, but let’s test it out! It is common in computer programming to use an underscore just before the name of a file intended for internal use within a computer library, or for a header file. 6.3 … Here's a command that rename files by replacing space to low line _ or hyphen -. Reply. Most are a few letters. So long as the first part is always the same, once the users realize this laziness would do most of the work for you regardless of the format chosen, whether it's "Atlanta-test-computer-name … This thread is locked. BC_1234.JPG" (first letter replaced with underscore). Wikipedia uses underscores in all of its URLs, but consistently dominates SERPs for informational … ... was an underscore … It is not uncommon to use an underscore in a file name in place of a space, especially on the Internet. For portability, POSIX recommends restricting filenames to the portable filename character set, i.e. This_is_a_single_word, but this-is-multiple-words. Traditional Unix commands and files don't tend to have more than one word at all. [Of course this rule shouldn't be applied to files which get provided by a third … For example, “File Name.doc” would appear on-line in the URL as “File… Ruby, Perl, and Windows PowerShell also use … You can now access SAP BusinessObjects Explorer on the iPad using the authentification type SAP. Appendix B of NARA Bulletin 2015-04 states that spaces aren’t allowed in filenames. SharePoint creates the URL based on the name. "ABC_") all actual photos end up as e.g. " So, if a file name consists of the words "foo" & "bar" and the ISO 8601 date of today, then it should look like this: foo_bar_2012-01-11. In dired, just press a key, then the file under cursor (or marked files) will be renamed with all space replaced to underscore. The reason we use double underscore and hyphen is an internal naming convention to make our image names easily scannable visually, and easily parsable with regex, whilst allowing a single hyphen in the sub parts: e.g. Please Sign up or sign in to vote. There were many rumors that underscores were the best, since SharePoint knows to split the words up after an underscore. File Name. business-area__project-name--app-name, this is the same convention we use with our … Hint: See tip 3 below for how to save your properly-named image file. And it will save like this: The_Sun_is_Hot.doc . Suppose, I have xml file with the name xy z.xml, then it gives: removing spaces from XML file: /home/krishna/test/xy mv: cannot stat `/home/krishna/test/xy': No such file or directory removing spaces from XML file: .xml mv: cannot stat `z.xml': No such file … I would like to have a regular expression that checks if the string contains Alphanumerics, Hyphen and Underscore. Also, you quite clearly know what you are doing, my search for “image file name seo” delivered this article to the top of Page One even though my use of images at work today is for a website in a completely different industry to yours lol! But I am still not sure how much weightage a file name gets in an overall page ranking. Delete the explorer folder located at C:\Program Files(x86)\SAP BusinessObjects\Tom cat6\work\Catalina\localhost\explorer 11. By 1967, the underscore character was also used in ASCII, an early computer programming language. BTW thanks for letting us know the logic behind using hyphen and underscore in SEO. Folks can be trained to only give you the last three characters (for example) in a name just as easily as "whatever comes behind the dash". Web environments translate spaces and will render them as “%20”. Some History. XYZ0123_123456; ABCdefGHI-727; I have already tried this expression. Updated 22-Jun-14 23:02pm v2. Go one better and name each image with a related keyword phrase that’s relevant to that particular image. Hyphens are short little lines used to connect two or more words that work together as a single concept. Using a dash or underscores in file names. … – file_name.php. The update to the v2 registry api broke backwards comparability in a minor docker version, as the reduced scope for naming disallowed multiple underscore and hyphens in image names. I understand the reason for the change, but in order to aid backwards compatibility, I propose allowing double underscore, double hyphen, and double period in image … I'd modify that rule a bit: "Underscores instead of spaces." When to Use a Hyphen. My string will be under either of these 2 patterns. For your own files it is really up to you. But avoid …. Dustin. optimize-images-seo. It’s important to have a clear idea of what your keywords are and include them in the file names of your images. uppercase and lowercase a-z, digits, dot, hyphen and underscore. The hyphen: – The en dash: – The em dash: — The underscore: _ So what is a dash, what’s the difference between hyphens, dashes, and underscores, and when should we use them? The naming, then an `` _ '' underscore is used to two. 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