Create string_parse_sscanf.cpp

Author: keineahnung2345

string_parse_sscanf.cpp

@@ -0,0 +1,38 @@
+#include <cstdio>
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+// https://stackoverflow.com/questions/41692561/parsing-a-string-with-scanf
+// https://stackoverflow.com/questions/8141208/sscanf-with-delimiter-in-c
+// https://edisonx.pixnet.net/blog/post/75487541
+
+int main(void) {
+    float x = 0.0f, y = 0.0f;
+    char  name[30], date[30], suffix[30];
+
+    name[0] = date[0] = suffix[0] = '\0';
+
+    // if delimeter is ' '
+    string my_string = "myname 20220330-153848 x0.20 y0.00 mysuffix.txt";
+    sscanf(my_string.c_str(), "%s %s x%f y%f %s", name, date, &x, &y, suffix);
+    cout << name << ", " << date << ", " << x << ", " << y << ", " << suffix
+         << endl;
+
+    x = 0.0f, y = 0.0f;
+    name[0] = date[0] = suffix[0] = '\0';
+
+    // if delimeter is '_'
+    my_string = "myname_20220330-153848_x0.20_y0.00_mysuffix.txt";
+    sscanf(my_string.c_str(), "%[^_]_%[^_]_x%f_y%f_%s", name, date, &x, &y,
+           suffix);
+    cout << name << ", " << date << ", " << x << ", " << y << ", " << suffix
+         << endl;
+    return 0;
+}
+
+/*
+myname, 20220330-153848, 0.2, 0, mysuffix.txt
+myname, 20220330-153848, 0.2, 0, mysuffix.txt
+*/