This might be what you want, but from your original description, it likely is not. This might be what you want, but it might also not. To make it act as a literal slash, you use 2 of them. Thank you!
I had a feeling it was due to the backslash. I have heard of the double backslash and have tried it several times and never been able to get it to work either. I have a similiar situation but I want to remove prefix characters and suffix characters, the name is acct Is the prefix always "acct"? Is the suffix always "pdf"? Or do you know something a bit more general, such as "the prefix always has letters but no numbers and the suffix always follows a period"?
If it's the former case always acct and always pdfthen you can simply do this for your pattern:. The parentheses turn this into a "capture", meaning the pattern match will result in just the bit you capture, effectively trimming out the rest of the input.
In a regex, a period character by itself is used to symbolize a wildcard; as in, it can represent any character. This slash is very important here!! This lets the pattern match suffixes like. You are viewing limited content. For full access, please sign in.Dating app i askim
Please wait while this file loads, or download it here. Subscribe Subscribed. Updated March 18, What should the regular expression be? Post Link.
If the slashes are always the first and last character, then you don't even need regex Active Oldest Votes. Try this regex:? Probably the non-greedy variation? Your regex would return exactly the same as mine every time.
Yup, sorry. By excluding the slash character you already achieved the same. Of course, it will also match strings that don't have slashes at both ends; that shouldn't be a problem since all you're doing is removing the slashes.
This will remove your all escape slashes from string str. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Socializing with co-workers while social distancing.How to remove special characters from Text Data in Excel
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Technical site integration observational experiment live on Stack Overflow. Triage needs to be fixed urgently, and users need to be notified upon…. Related I see often people using substring to remove the last character if this one is a slash in a path or url.
Also, this require to have a conditional statement to verify if the string contain at its latest position a slash. The method TrimEnd let you specify an array of char that you want to remove at the end of the specified string. With this method you can also specify multiple characters so you may want to remove all slash or backslash using the array. Do not forget that this method will trim more than only the last character but all ending characters.
This mean that a string ending with two slashes will see both slashes removed. If you like my article, think to buy my annual book, professionally edited by a proofreader. Your email address will not be published. This site uses Akismet to reduce spam. Learn how your comment data is processed.
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Microsoft Techno ASP. Net ASP. Leave a Reply Cancel reply Your email address will not be published. Categories Ado. Net Dapper. Net Identity Telerik Asp. Disclamer As of the date ofPatrick Desjardins has been employee by Netflix.I am trying to use -replace to modify a string - I need the regex to be able to provide me with everything in the string up to and including the last backslash within that string.
There are many online tutorials. And practise in addition. I have been reading about regex online but still not quite 'getting it'. Please could you tell me what this is doing:. PowerShell is very much a learn by doing environment. And regex, while it can seem daunting and cryptic is actually very predictable.Multiple linear regression equation
Together they are unbeatable for text manipulation. Kudos to 01MDM. That's a very tight expression I hadn't thought of. Thanks very much Bob - helpful as always.
I will read up some more about Regex as I do find it very powerful [: ]. And I like their single user license model one user multiple machines, or multiple users on a single machine. What I get confused about though with Regex is how do you know what order to put the characters in that make up the Regex?
Swatto said: how do you know what order to put the characters in that make up the Regex? I know it looks cryptic on a good day.
How to remove backslash from json data in C#?
Some of this just comes with experience. And the web site associated with Regex Buddy has a lot of good information on it. Always start with the most simple regex and tweak it as needed to get the exact matches you are looking for. One of the nice features of Regex Buddy is that it contains an extensive library of what they deem as popular regex's.
Replies 9 replies Subscribers 11 subscribers Views views Users 0 members are here regex. Share More Cancel. Good Afternoon, I am trying to use -replace to modify a string - I need the regex to be able to provide me with everything in the string up to and including the last backslash within that string.
Reply Cancel Cancel. Up 0 Down Reply Cancel. Swatto over 4 years ago. Thanks very much - this is exactly what I needed. I will need to learn how to use regex. Thanks very much. Bob McCoy over 4 years ago.Linux gsm modem
But that is not the case here. Within character class brackets here, it represents negation. We are looking for "not" a backslash. Now keep in mind that backslash is a special escape character within regex, so to use it as a literal, it must be escaped, hence the double backslash. The plus sign represents "one or more" for what ever was found, so one or more "not backslash" characters.I'm leaning on my regex experts.
What do I use to remove all white space and replace slashes with dashes so I can get a date format.
How to remove trailing slash in C#
Now if the input is more complex we can use capture groups to extract the information we want. This is the approach take for badly formatted log entries and the like:. Where is the erroneous date format coming from? You probably wouldn't need regex at all to do this. Get answers from your peers along with millions of IT pros who visit Spiceworks. This is the desired result: Best Answer.
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How to replace Double Backslash in single backslash
Craft's replace filter only supports doing multiple strings replacements at once. If you want to do a regex replacement, it will have to be it's own separate call. Sign up to join this community. The best answers are voted up and rise to the top.
Home Questions Tags Users Unanswered. Regex to remove trailing slash not working Ask Question. Asked 4 years, 11 months ago. Active 4 years, 11 months ago. Viewed 3k times. Why not? Katrin Katrin 4 4 silver badges 14 14 bronze badges. Active Oldest Votes. So this is a bug in Craft, in that their filter is masked by the twig one. Marion Newlevant Marion Newlevant Thank you Marion!
Craft's replace filter overrides Twig's, not visa-versa - although we do keep their base behavior in tact in ours.
I've added an answer for the behavior you were seeing. Brad Bell Brad Bell Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.
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Backslash is a special character used for escaping both in a shell and in regular expressions. The command you type to the shell's command line or a script is first processed by the shell which interprets the special meaning of characters and their escaping. The result is then passed to the command to be executed like sed which performs its own interpretation of the characters. When you are constructing a command the mental procedure is the opposite way: first add the escaping for the regex then add the escaping for the shell.
In a regex input to commands like sedgrep etc. In a shell like bash you can escape backslash by backslash. Enclosing the string between single quotes ' makes every character to be treated literally except '. In fact the double quotes are not necessary in this case because every special character is properly escaped.
Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Remove backslashes from a text file Ask Question. Asked 5 years, 4 months ago. Active 3 years, 9 months ago. Viewed 51k times. Active Oldest Votes. You have to escape the backslash. Avinash Raj Avinash Raj 3, 3 3 gold badges 14 14 silver badges 29 29 bronze badges.
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You have omitted the g flag for unknown reason. This changes the behaviour of the command but such a change was not asked for in the question. Otherwise your reply does not bring anything new in comparison to the earlier replies. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog.
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