I’ve got a string of digits that is either 4 or 5 digits long and it needs to be padded with “0” till it’s 6 digits long. Is this possible? I’m using .Net framework.
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I’ve got a string of digits that is either 4 or 5 digits long and it needs to be padded with “0” till it’s 6 digits long. Is this possible? I’m using .Net framework.
You don’t need a regular expression to perform this operation. You can use
string.PadLeft:If you need to use regular expression (perhaps because you are performing some more complex replacement of which this is just a small part) then you can use a MatchEvaluator in combination with the above technique:
Result: