Home/ Questions/Q 9096597
In Process

The Archive Base Latest Questions

Editorial Team
  • 0
Asked: 2026-06-16T23:53:37+00:00

I am trying to validate my text box control, which should hold a number

  • 0

I am trying to validate my text box control, which should hold a number between one and infinity ( it cannot be 0 or a negative number).

I would like to use a regularexpressionvalidator in c#, as a rangevalidator asks for a maximum number when I don’t want there to be one.

I was hoping if anyone could assist me to create a regular expression that checks for a number between one and infinity.

I have searched online and the closed thing I have found is {1,}, but this causes a parsing "{1,}" - Quantifier {x,y} following nothing error. Not too clued up on regular expressions but was hoping someone could help me find an answer.

Share

Leave an answer

You must login to add an answer.

Need An Account,

1 Answer

  1. Editorial Team

    If you just need a whole number,

    [1-9][0-9]*

    should have you covered. That’s “a non-zero digit, followed by any number of digits”.

    If you don’t want to reject e.g. 04546, something like

    0*[1-9][0-9]*

    should do it. (Same as above, preceded by zero or more zeroes.)

    • 0