use regex to turn things like: LE471611-10 UK LE471611-10.5 UK LE471611-11 UK LE471611-11.5 UK LE471611-12 UK LE471611-12.5 UK LE471611-13 UK LE471611-13.5 UK LE471611-5.5 UK LE471611-6 UK to: LE471611-100UK LE471611-105UK LE471611-110UK LE471611-115UK LE471611-120UK LE471611-125UK LE471611-130UK LE471611-135UK LE471611-055UK LE471611-060UK

#include <iostream>
#include <regex>

using namespace std;

// gcc -std=c++11 -o regex_test regex_test.cpp
int main()
{
    regex re("(.*)(-)(.*)(UK)");
    string s = "LE471611-10 UK";
    cout << regex_replace(s, re, "$100$4") << '\n';

    return 0;
}