Changed startsWithDouble to startsWithNumber.

ZString.cpp

@@ -322,13 +322,8 @@ namespace coreutils {
       return strncmp(cursor, value, strlen(value)) == 0;
    }
 
-   bool ZString::startsWithDouble() {
-      push();
-      char *tempc = cursor;
-      double temp = strtod(cursor, &cursor);
-      int diff = cursor - tempc;
-      pop();
-      return diff != 0;
+   bool ZString::startsWithNumber() {
+      return ((*cursor >= '0') && (*cursor <= '9'));
    }
 
    int ZString::compare(ZString zstring) {

ZString.h

@@ -252,7 +252,7 @@ namespace coreutils {
       ///
       ///
 
-      bool startsWithDouble();
+      bool startsWithNumber();
       
       ///
       /// 

testing/zstring_test.cpp

@@ -100,7 +100,7 @@ int main(int argc, char **argv) {
    test18.reset();
    std::cout << "[" << test18.find("x") << "] " << test18.parsed() << ":" << test18.unparsed() << std::endl;
 
-   coreutils::ZString test19("-16473.65476Z");
+   coreutils::ZString test19("1,");
    std::cout << test19.asDouble() << ":" << test19.unparsed() << std::endl;
    
 }