If you work with strings in your Python scripts and you're writing obscure logic to process them, then you need to look into regex in Python. It lets you describe patterns instead of writing ...

I'm trying to match a string of the form DDhDDmDDs (i.e. some sort of a time string using hms as delimiters). Very basically I'm using '(\d+h)?(\d+m)?(\d+s)?', but that doesn't really do it, as it'll ...