Rename A String That Contains A Number?

Sep 19, 2011

i want to rename a string that contains a number, when the program starts the string looks like this:

d1_filename, but could as well be like: d8_filename.

so, depending on the starting name, i want to rename the string.

If the string is d1_filename, the renamed string would be d2_filename.

or also: if the string is d23_filename, the renamed will be d24_filename an so on.

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