Go back to Richel Bilderbeek's homepage.

Go back to Richel Bilderbeek's C++ page.

 

 

 

 

 

(C++) BoostRegexExample1

 

BoostQt CreatorLubuntu

 

Boost.Regex example 1 is an example how to use the Boost.Regex library.

 

The example below shows how to define a regular expression for a Dutch zip code, how to check for it and how to search for it.

 

Technical facts

 

Operating system(s) or programming environment(s)

IDE(s):

Project type:

C++ standard:

Compiler(s):

Libraries used:

 

 

 

 

 

Qt project file: ./CppBoostRegexExample1/CppBoostRegexExample1.pro

 

include(../../ConsoleApplication.pri) #Or use the code below
# QT += core
# QT += gui
# greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
# CONFIG   += console
# CONFIG   -= app_bundle
# TEMPLATE = app
# CONFIG(release, debug|release) {
#   DEFINES += NDEBUG NTRACE_BILDERBIKKEL
# }
# QMAKE_CXXFLAGS += -std=c++11 -Wall -Wextra -Weffc++
# unix {
#   QMAKE_CXXFLAGS += -Werror
# }

include(../../Libraries/BoostAll.pri)

SOURCES += main.cpp

 

 

 

 

 

./CppBoostRegexExample1/main.cpp

 

#include <cassert>
#include <string>

#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Weffc++"
#include <boost/regex.hpp>
#pragma GCC diagnostic pop

int main()
{
  //Define how a dutch zip code is formatted
  const boost::regex dutch_zip_code("\\d{4}\\s[A-Z]{2}");

  //Check if the regex works properly
  assert(boost::regex_match("1234 AB",dutch_zip_code)==true);
  assert(boost::regex_match("1234 ab",dutch_zip_code)==false);
  assert(boost::regex_match("1234ab",dutch_zip_code)==false);

  //Define a sentence with a Dutch zip code in it
  const std::string s = "My Dutch zip code is 1234 AB.";

  //Show how boost::regex_match and boost::regex_search work
  assert(boost::regex_match(s,dutch_zip_code)==false
    && "the std::string does not match a dutch zip code");
  assert(boost::regex_search(s,dutch_zip_code)==true
    && "but the std::string does contain a dutch zip code");

  //Show how to obtain a Dutch zip code from a std::string
  const boost::sregex_iterator i(s.begin(),s.end(),dutch_zip_code);
  const std::string t = i->str();
  assert(t=="1234 AB");
}

 

 

 

 

 

./CppBoostRegexExample1/CppBoostRegexExample1.sh

 

#!/bin/bash
#Script to check the status of compiles
#Copies executables (both Linux and Win32) executables to ~/bin (overwrites older)
#set -x verbose #echo on

mytempfile="tmp.txt"
if [ -e $mytempfile ]
then
  rm $mytempfile
fi

rm *.pro.user

for myprofile in `ls | egrep ".pro\>"`
do
  echo $myprofile
  mybasename=`echo $myprofile | sed "s/\.pro//"`

  #For every .pro file,
  # 0: compile
  # 1: crosscompile using Qt5
  for type in 0 1
  do
    myqmake=""
    mytypestr=""

    #Cleaning up
    rm Makefile
    rm Makefile.*
    rm -r release
    rm -r debug
    rm ui_*.h
    rm qrc_*.cpp
    rm moc_*.cpp
    rm object_script*.*
    rm *.o
    rm *_plugin_import.cpp

    case $type in
    0) myqmake="qmake" mytypestr="Lubuntu" ;;
    1) myqmake="../../Libraries/mxe/usr/i686-pc-mingw32/qt5/bin/qmake" mytypestr="Qt5LubuntuToWindows" ;;
    esac

    $myqmake $myprofile

    if [ ! -e Makefile ]
    then
      echo $myprofile", "$mytypestr": FAIL (Makefile not found)" >> ../$mytempfile
      continue
    fi

    make


    if [ -e $mybasename ] || [ -e ./release/$mybasename".exe" ]
    then
      echo $myprofile", "$mytypestr": SUCCESS" >> ../$mytempfile
      #echo "SUCCESS for mybasename: "$mybasename
      if [ -e $mybasename ]
      then
        #echo "(1) cp "$mybasename" ~/bin/"
        cp $mybasename ~/bin/
        rm $mybasename
      fi
      if [ -e ./release/$mybasename".exe" ]
      then
        #echo "(2) cp ./release/"$mybasename".exe ~/bin/"
        cp ./release/$mybasename".exe" ~/bin/
      fi
    else
      echo $myprofile", "$mytypestr": FAIL (executable not found)" >> ../$mytempfile
      #echo "FAIL for mybasename: "$mybasename
    fi

    #Cleaning up
    rm Makefile
    rm Makefile.*
    rm -r release
    rm -r debug
    rm ui_*.h
    rm qrc_*.cpp
    rm moc_*.cpp
    rm object_script*.*
    rm *.o
    rm *_plugin_import.cpp


  done #next type

done #next profile

cat $mytempfile

rm $mytempfile

 

 

 

 

 

Go back to Richel Bilderbeek's C++ page.

Go back to Richel Bilderbeek's homepage.

 

Valid XHTML 1.0 Strict

This page has been created by the tool CodeToHtml