How to increment numeric part of a string by one?

Question

I have a string formed up by numbers and sometimes by letters.

Example AF-1234 or 345ww.

I have to get the numeric part and incre

Answer 1

Here's some Python code that does what you ask. Not too great on my PHP, but I'll see if I can convert it for you.

>>> import re
>>> match = re.match(r'(\D*)(\d+)(\D*)', 'AF-1234')
>>> match.group(1) + str(int(match.group(2))+1) + match.group(3)
'AF-1235'