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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Pick the last or 8th value from the listed of matched values in RegEx?
I want to pick the last or 8th value from the list of matched values in RegEx
This is my working regex101
Also I want to know, while executing it on my live JS file, how would I use it? Should I use it as /.*Version (\S+)/g or as (?q).*Version (\S+)…
Rishi Kulshreshtha
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1 answer
C# Regex to C++ boost::regex
I have the requirement to match strings in a C++ code of the form
L, N{1, 3}, N{1, 3}, N{1, 3}
where in the above pseudo-code, L is always a letter (upper or lower case) or a fullstop (. character) and N is always numeric [0-9].
So explicitly,…
MoonKnight
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1 answer
qt regex to boost regex conversion for taking number from inside a string
I've have a method in a class that takes a QString and, using a regular expression, it return the first float number (positive or negative) included into the string. This is the method:
float MyClass::getNumberFromQString(const QString &xString)
{
…
Jepessen
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Regular Expression : Match till the ( character or the end of the buffer) but not the character
Given the following contents in the smb.conf file. How to remove the [share_11999] section using boost(perl version) regex. The problem is the section [share_11999] can be at the end of the file.
The following regex almost works except that it…
Talespin_Kit
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1 answer
boost regex and range of characters
I have the following code:
#include
#include
#include
int main()
{
const std::string input_data("2014-02-20 12:32:15");
const boost::regex reg_exp("[-:\\d\\s]+");
boost::smatch results;
std::cout <<…
FrozenHeart
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1 answer
Following regex expression does not work with boost regex
I am doing the following
std::string myregex = "^[_A-Za-z0-9-\\+]+(\\.[_A-Za-z0-9-]+)*@[A-Za-z0-9-]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$"
boost::regex re;
re.assign(regex_expr, boost::regex_constants::icase); //Problem - Breaks
Any…
MistyD
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1 answer
Boost regexp - null-termination of search results
boost::regex re;
re = "(\\d+)";
boost::cmatch matches;
if (boost::regex_search("hello 123 world", matches, re))
{
printf("Found %s\n", matches[1]);
}
Result: "Found 123 world". I just wanted the "123". Is this some problem…
OJW
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2 answers
Regexp for differentiate Country, state, city given format
I have write some regexp for this but i don't get exact one.
please check this link.
In this i want differentiate Location field into three parts.
Ref Link: https://avayacorp.authoria.net/joblist.html
country
State
City
Please give more…
Girish
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2 answers
boost::regex_match gives different result than many online reggex tester
I want to match a string given in an input field.
A sample data could be "hello" -> returns true
or "\"" -> returns true
or "this is a string" -> returns true
but """ should not be recognized as a string and should return false when checked by…
2blackcoffees
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1 answer
How to specify } (Closing brace) in boost regular expression?
I am using boost 1.54 library in my program. My task is to expand some patterns in a string.
One such instance is if a closing brace } is found in the string replace it with >
I had written the following regex in my code.
boost::wregex…
Ravi Chandra
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1 answer
Learning boost::regex, matching wildcards
I've just started learning regex.
I need to match things like this:
hostname21.processName
The . is the anchor. Pre and post anchor are represented by [a-zA-Z0-9_] but I'm not sure how to match both of the conditions on either side of the anchor.…
Tyler Jandreau
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boost::regex extract search term
How to extract a search term using boost::regex in C++ , especially when the term has html entities in it.
Eg
p=test&test&sort=price
Search Term would be 'test&test'
p=test&test&sort=price
Search Term would be 'test&test'
Boost…
Shashi
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1 answer
Replacing an open-ended HTML regex match in Sublime Text
I've been doing a lot of finding and replacing in Sublime Text and decided I needed to learn RegEx. So far, so good. I'm no expert by any means, but I'm learning quickly.
The trouble is knowing how to replace open-ended HTML matches.
For example, I…
Kevin Suttle
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1 answer
Regex pattern for date
I have the following String:
vitals.date_created==2013-7-3 11:23:32
I am using the regex
([a-zA-Z0-9_]+[$.]?[a-zA-Z0-9_]+)+[><=]=?[a-z0-9A-Z'\\.@- ]+
but the regex doesn't work.
Phalguni Mukherjee
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1 answer
Split string using boost::algorithm::split_regex
I'm trying to split a string by using ; as delimiter but not when it is escaped \;. The string can contain characters, numbers, and nested quotes. I'm currently using boost::algorithm::split_regex like so:
string data = "hello; world; 100444;…
kendotwill
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