firmware/src/mesh/http/ContentHelper.cpp

#include "mesh/http/ContentHelper.h"
// #include <Arduino.h>
// #include "main.h"

void replaceAll(std::string &str, const std::string &from, const std::string &to)
{
    if (from.empty())
        return;
    size_t start_pos = 0;
    while ((start_pos = str.find(from, start_pos)) != std::string::npos) {
        str.replace(start_pos, from.length(), to);
        start_pos += to.length(); // In case 'to' contains 'from', like replacing 'x' with 'yx'
    }
}