Boost.Regex is a C++ regular expression library with optional Unicode support through ICU.
Boost.Regex is a C++ regular expression library with optional Unicode support through ICU.
Questions tagged [boost-regex]
296 questions
0
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1 answer
ReplaceRegex Function not doing the job
I want to edit this line of input and add some more values to the Product_A Key.
input="CSDT_FLAG_PRODUCT_FF_FWUIDS=Product_A:45223423;Product_PD:4;Product_CD:345345,22454;Product_F:3423"
I have the below ant replaceregex line.
replaceregexp…
CodeGeek123
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1 answer
Using boost to extract content from a string
I had recently written regexes to parse contens in my file but that one was in .NET and I just started using Boost now for my C++ project.
I have a line similar to the following, which is a std::string
123 12 E
that I have to parse and get the…
user1240679
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1 answer
what does this convoluted regex do
I came across the following regex at work. What does it do?
,(?=(?:[^\"]*\"[^\"]*\")*(?![^\"]*\"))
To understand it, I split it into following parts
, = Match everything that has ,
(?= = Followed by
(?:[^\"]*\"[^\"]*\")* = Anything which does not…
Jimm
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Boost regex not matching "\\s" to spaces
I'm just starting out with boost and c++ and I'm struggling to understand the behaviour of boost's regular expression engine when it comes to matching whitespace. If I use the code:
boost::regex rx(" ");
cout << regex_search(" ", rx);
to match…
ndawson
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5 answers
Regex required for space delimited strings java
I have an operation that deals with many space delimited strings, I am looking for a regex for the String matches function which will trigger pass if first two strings before first space starts with capital letters and will return false if they are…
Avishek
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Boost regex on windows C++ code::blocks
I want to use boost regex in c++ on code::blocks on windows. I compile a simple program which uses the instruction regex pat( "^Subject: (Re: |Aw: )*(.*)" ); and it doesn't work, I get errors like:…
shn
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How to stop the format ($) for boost::regex_replace in C++?
I'm using boost::regex_replace(replacement_text, regex, new_text) function to do this...
replacement_text = "{replace_me}"
regex = "(\{([^\}]*[^\s]*)\})"
new_text = "$$$"
For every new_text that doesn't contain "$", this works beautifully,…
unwise guy
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2 answers
Issues compiling boost programs using cygwin
UPDATE: Found a way to make it compile, see below.
Hello, I'm having issues compiling boost programs under cygwin. I've installed the default boost and g++ packages from the cygwin project's setup.exe.
On my Linux systems, I can compile a program…
thras
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C++ boost.regex number of repetitions specified in the string
Suppose I wanted to create a boost.regex expression that would match strings such as
"repetitions: 5 aaaaa"
"repetitions: 3 aaa"
Is there a way to do this with boost?
Kvothe
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1 answer
Named Subexpressions error in Boost Regex
I'm trying to use named subexpressions to replace multiple patterns in the input string using boost::regex_replace and named subexpressions.
I use the following code:
std::string s="Sun Fun Gun Tic Tac Toe ;$!";
boost::regex…
Mindstorm
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0 answers
How do I write Regex for a SublimeText2 snippet that does both a replace and a slice?
I've been looking at making more snippets for Sublimetext2. I've been looking at http://sublimetext.info/docs/en/extensibility/snippets.html and other questions here and I was able to write this snippet to get the name of the file as a function…
Soesah
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1 answer
How to search for a regular expression in c++?
I'm working on C++,
I need to search for a given regular expression in given string. Please provide me the pointer to do it. I tried to use boost::regex library.
Following is the regular expression:
regular expression to search : "get*"
And above…
BSalunke
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1 answer
Replace all matches in 1 iteration using regular expressions
Is it possible to search different patterns and replace the matchings in 1 iteration?
For example, if I have the string
"Hey {Apple}, where is {Carrots|Peas|Cucumber}?"
Is it possible to replace everything inside the curly braces in 1 iteration so…
unwise guy
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1 answer
Regular expressions in C++
Right now I have two regular expressions that does this:
Regex-1 = "(\\{(\\w+)\\})";
Regex-2 = "(\\{([^\\|]*)\\|([^\\|]*)\\|([^\\|]*)\\})";
I just want to be able to combine the two Regex into one, so that which ever Regex searches first will be…
unwise guy
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1 answer
regex_search matching unspecified text
I've been using Boost::regex and Boost::regex_search and found that when I run the regex
\\<(\\w+\\-?\\w+)\\>
These all get matched like normal
BitcoinicaHacker> Who wants free bitcoins courtesy of bitcoinica?
who…
trippedoutfish
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