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Regular Expression Details

Title Test Find Natural Number with or without preceding zeros
Expression
^[0]*?[1-9]\d*\.?[0]*$
Description
This matches Natural numbers with or without preceding zeros. ^[0]+?[1-9]\d*\.?[0]*$ this states there should be atleast one zero
Matches
090, 089, 01 | 01.00 | 08.0 | 000056 | 0054.0 | 00055.000
Non-Matches
0 | 0.00 | -1
Author Rating: The rating for this expression. Dilip Nilanka Manathunga
Source
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