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
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Segmentation fault caused by boost::regex with -DBOOST_DISABLE_THREADS and -finline-functions switches
I am trying to execute following code which extracts the email address from the string. I am getting segmentation fault.
// A.cpp
#include
#include
#include
int main()
{
std::string…
Sagar Kapare
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1 answer
Boost regex not replacing expression that replaces correctly on regex websites
I was trying to do a regex replace with boost::regex, but it doesn't seem to be working.
Here is the regex expression:
(\\w+,\\d+,\\d+,\\d+\tscript\t)(.+)(#)(.+)(\t\\d+(,\\d+)?(,\\d+)?,{)
And the formatter:
$1\"$2\"$3\"$4\"$5
The code: (getInput()…
RenatoUtsch
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1 answer
How to match alphanumeric pattern in Regex?
Hi I am new to the regex I am trying to match the pattern for bellow line
T071108452T 42D896D5O 3587
I want to match the pattern till T071108452T 42D896D5 and after this i want the Character "O" to match i tried something like this
…
user2553512
1
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2 answers
escape sequence \K for regular expression in boost library
I need to replace a look-behind expression with \K in boost (version 1.54) because of its limitation but it does not work. How can I do it or what is the problem? Is there any other way to convert this expression with lookahead?
"(?<=foo.*) bar" …
MaySam
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1 answer
C++, Boost regex, replace value function of matched value?
Specifically, I have an array of strings called val, and want to replace all instances of "%{n}%" in the input with val[n]. More generally, I want the replace value to be a function of the match value. This is in C++, so I went with Boost, but if…
rofrankel
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2 answers
Using Boost C++ library to do a regex replace with a custom replacement
I can use Xpressive of the Boost library to do some regex replacement like this:
#include
#include
void replace(){
std::string in("a(bc) de(fg)");
sregex re = +_w >> '(' >> (s1= +_w) >> ')';
…
muffel
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1 answer
Join two regular expression results into one output field, when only one is possible at a time
I'm parsing chat output to get the user name. This is what outputs may look like:
MC_BOT sethome
(From Darker): MC_BOT exit
I need to match username and the command contents in the string. Taking these data from both strings is…
Tomáš Zato
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2 answers
error while working with boost::sregex_token_iterator
I want to search for a regular expression and print it with a color. I used boost::sregex_token_iterator to do this. this is my code
boost::regex re("ab.");
string s="";
string buf;
string infile("retest.txt");
//string…
vahidzolf
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getting between square bracket having specific characteristic using Boost regex in C++ not getting answer
I have a string like this:
This is a link [[abcd 1234|xyz 1234]] [[India]] [[abcd 1234|xyz 1234]]
and I want to get :
This is a link abcd 1234 [[India]] abcd 1234
I want to take double square brackets having | and take out things that are before…
psyche
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1 answer
Boost Regex unknown number of var
I have an issue with a regex expression and need some help. I have some expressions like these in mein .txt File:
19 = NAND (1, 19)
regex expression : http://rubular.com/r/U8rO09bvTO
With this regex expression I got seperated matches for the…
Katrin Thielmann
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1 answer
boost regex_search cannot find the first match
boost::regex re("(abc)(.*?)");
boost::smatch m;
std::string str = "abcdlogin";
boost::regex_search(str, m, re);
I found m[1].first is "abcdlogin", m[1].second is "dlogin".
But I think is m[1].first should be "abc"?
Mark Ma
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2 answers
How to check which matching group was used to match (boost-regex)
I'm using boost::regex to parse some formatting string where '%' symbol is escape character. Because I do not have much experience with boost::regex, and with regex at all to be honest I do some trial and error. This code is some kind of prototype…
Dino
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CMake Debian Dependency on Boost Regex
I am currently trying to build a debian package from my project, which uses Boost-Regex. Everything is working fine except defining a dependency throug CPACK_DEBIAN_PACKAGE_DEPENDS. I don't seem to be able to figure out the right module name to…
padde
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Boost Regex not working in Visual Studio 2010
I don't understand why Boost Regex doesn't work with my current VS 2010 project. On Linux the same code works fine and even in VS 2010 if I create a small project with just the offending code and same inputs it works.
In my project when…
Gabi
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1 answer
Static link of boost_regex library
I wrote a program using boost_regex library(ver 1.33.1) in CentOS 5.2 environment.
I installed the Boost library with yum command.
My program accepts compiling with this set of options below:
g++ -O2 -g -lm -lboost_regex main.cpp
However, this set…
user1758776
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