question String -> Number

[botka4aet 5]

So i have strings "Test1", "Test2", "Test3", "Test4" and so on.

Any way to get integer from it? 1,2,3,4

Without

if (a = "Test1") b := 1;
else if (......

 

[meko 170]

there's a few different ways:
 

.@num = charat("Test3", 4);

sscanf("Test3", "Test%d", .@num);

.@num = substr("Test3", 4, 4);

pcre_match("Test3", "^[^0-9]*([0-9]+)$");
.@num = $@regexmatch$[1];