Quote string with slashes in a c style

In Arduino programming many times you will come with situations where you want to put double quotes in a string. For example sending AT command with double quotes. Escape sequences are used to represent certain special characters within string literals and character literals. The following escape sequences are available extra escape sequences may be provided with implementation-defined semantics :. In this method we separate all double quotes.

Using single quotes to send double quotes. This method requires lot of coding. This is not really used. This is my favorite method, which is not explained any where on internet, books. COOL, But it works like magic. You must be logged in to post a comment.


How do I put quotes in a string? The following escape sequences are available extra escape sequences may be provided with implementation-defined semantics : Solution:. This is a test She said, "How are you? She said"How are you?

Leave a Reply Cancel reply You must be logged in to post a comment. Login with:.The backslash is used only for computer coding. The forward slash, often simply referred to as a slash, is a punctuation mark used in English. The only time it is appropriate to use a comma after a slash is when demonstrating breaks between lines of poetry, songs, or plays. Grammarly can save you from misspellings, grammatical and punctuation mistakes, and other writing issues on all your favorite websites.

Your writing, at its best. Be the best writer in the office. Get Grammarly. An explanation of what a forward slash means in a text depends on the context. Slashes can mean many different things, depending on how they are used.

A slash can show a line break in a poem, song, or play, usually if several short lines are being written together on one long line. Consider the two examples below:. Often, when a slash is used in a formal or informal text, it is meant to indicate the word or. The examples below illustrate this meaning of the forward slash:.

Burgers or pizza for dinner? Slashes can also be used to note that there is a connection or conflict between two words or phrases in a sentence. Some examples include:. One of the most commonly recognized usages of the forward slash is to indicate dates and fractions:.

Many people wonder whether to use a space before and after slashes in a sentence. The answer is typically no on both fronts. Spaces before slashes should be avoided.

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You have been successfully subscribed to the Grammarly blog.It preserves the literal value of the character followed by this symbol. Some examples of single quote are shown below. When the variable is quoted by single quote then the variable name will print as output. Sometimes it is required to print a single quote inside a string. You can do this task by adding backslash in the front of single quote.

But when the variable is quoted by single quote in echo command then it prints the variable name instead of the value of the variable. Some examples of double quotes are shown below. Any command output can be printed by using double quotation.

In the following example, date command is enclosed by double quotation and printed by using double quotation. Double-quoted and single-quoted strings work same when they are used together without any space in a print command.

But if you use any space between the string values then they will treat as separate value and print separately.

In this example, three double-quoted strings are used in the first printf command. These strings will combine together and print as a single string when you will run the command. Two single-quoted and one double-quoted strings are used in the second print command and it will work like the first print command.

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Three double-quoted strings with space are used in the third print command and each string value will work as a separate string and print each string in a newline.

Create a bash file named escape. In this example, a text data with double quotes and dollar sign is used.

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So, the backslash is added in front of the double quotes and dollar symbol to print these. Hope, this tutorial will help you to use escape characters, single quote and double quote based on the requirements of your script.

I am a trainer of web programming courses.Hi everyone! I could do it by hand, but the size of the file is quite big and it would take a lot of time to do so. I am trying to make it easier. I saw this function before, but it would do me much good, because like I said I have both single and double quotes in the HTML code and addslashes can only take a string with one type of quotes - single ' or double " - not both.

Any better ideas? Returns a string with backslashes before characters that need to be quoted in database queries etc. If you insert the string in doublt qoutes, like in addslashes "s't'r'i'n'g" ; then it will insert a backslash before every ' it finds, but if it finds " instead it treats it as the end of the string and so the function terminates.

Yes, if you pass the data directly to the function. Maybe if you could provide a little more information on where this large HTML file is coming from This would be safer and as your emails are HTML formatted, there would be no need to convert them back. The double-quotes are just telling the parser that the stuff inside it is a literal string.

I am trying to find an easier solution for this and possibly some future similar problems. You're not retrieving it from a file, or database, or user input? So I asked myself if that's something that I might have to do all the time, that would take too much time and it would be easier to wright a programm to do that for me unless there is already something available to accomplish the task.

Unfortunatly, if you are using it like that, you don't have an option. You need to escape your double quotes or your PHP won't work.

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I tried one them it parses the string pretty good. I think there got to be a way to write a simmilar function to insert a before each quote. Why not use heredoc syntax? This is precisely the kind of thing it was made for. From PHP. This means that you do not need to escape quotes in your here docs, but you can still use the escape codes listed above.

Variables are expanded, but the same care must be taken when expressing complex variables inside a here doc as with strings. Thanks a bunch! I knew it had to be something simple! It worked just great and I didn't even have to go through all this manual parsing of the code.

I love when it's that easy.

quote string with slashes in a c style

Thanks again. You're the Man! This site is best viewed in a modern browser with JavaScript enabled. Something went wrong while trying to load the full version of this site. Try hard-refreshing this page to fix the error.

Thank you. Thanks everyone! Thank you though. Let me try it It's all about using the right tool for the right job.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Your string doesn't have the sequence backslash double-quote in it.

Also, that string you provided didn't have a backslash then a double-quote, it just had a double quote. You escaped the double-quote for nothing. Your variable has no backslashes. Learn more. How do you replace backslash double quote in a string? Ask Question.

Asked 6 years, 10 months ago. Active 6 years, 10 months ago. Viewed 9k times. How do replace backslash double quote e. The code below does not work.

The regular expression in javascript is a tool for searching inside a string. This example looks for a " within the variable's value. It also looks for a ". That backslash is unnecessary in vanilla regular expression syntax. In javascript, both ways work, however. Active Oldest Votes. Horen Horen Quentin Quentin k 91 91 gold badges silver badges bronze badges.

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How should I rewrite the line? What's happening is when you use a single backslash you're telling the compiler to treat the following character as a literal character.

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The compiler then continues and cannot find a closing double quote to close the string object. The character before the string object tells the compiler that it should treat all following characters literally until it hits the closing double quotes. You can even have newlines in a literal string. The only thing you need to escape in a literal string is the double quote character - then you just use two:. Option one doesn't work since he's using a character literal. Need to use a string literal regardless.

Yes, but string. Semantically, it makes no sense to replace a char with a string, because those things are different. What OP is trying to do is replace single-backslash substrings with double-backslash substrings, so the correct method is to use the string.

16 Add slashes to escape apostrophe input

Replace string, string overload with string literals, as noted in the second option. It's also important to keep in mind that conflating char and string types in these kinds of operations is a bad idea, because many languages e.

quote string with slashes in a c style

Arabic don't always have discrete "letters" that can be individually addressed as a single char in a string. By performing substring operations at the char level, you may mistreat combinatorial marks and special indicators e. I used this and it works. I didn't try the other option as this one seems more readable. First, The ' single-quote is for a character and " double-quote is for a string.

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When using single-quotes, you cannot have more than a single character between them. So even though you want to replace two characters with one, you would use double-quotes in your replace. And your single backslash is resolved as an invalid escape sequence because the interpreter is expecting another character to follow that backslash. You would have to change those to double quotes. Another way to do it is to use the literal string modifier. By placing an symbol before the string, the interpreter will not try to escape any of the characters in the string.

Just a bonus tip: If thatVariable is string you don't have to call.I have a Foreach loop that dynamically builds a query that gets submitted to a Progress 9. The vast majority of the columns have a dash "-" in their names, so the query passed to progress has to have double quotes surrounding the column names.

quote string with slashes in a c style

Not a big deal you would think. EmployeeTable" - with the columns requiring quoted identifiers escaped with double quotes. Once my script task has built the query string, it assigns that string value to my Dts. Variables "SqlString" variable. I can put a MsgBox call in the Script task to display my query once it has been built displaying Dts. Variables "SqlString".

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Value - and it looks fine. So - My foreach loop is set up so that the query command is pulled from my Dts.

It fails anytime my query has a column that requires quotes around it. I was confused, since I could take the exact query string displayed by my test MsgBox and validate it's syntax against our Progress database and even run it and it worked fine. That's when I noticed that the value of the Dts. SO - in the Watch window, my Dts. Value reads as follows:. I'm at a total loss. Does anyone have any ideas?? Darren - thanks for the clarification on the SSIS expression language style.

That alleviates a lot of the confusion and concern I had when debugging the package. I discovered that the timestamp columns in the system being queried are named differently that the timestamp column that our other packages which run sucessfully use. The watch window uses the SSIS expression language style, based on C, in which case you escape quotes with the slash as you saw.

quote string with slashes in a c style

So nothing wrong, this is just the display format chosen. To try and reduce cofusion, does Progress support square brackets as identifier delimiters instead? They may be easier to work with for now. Sign in. United States English. Ask a question. Quick access. Search related threads.

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