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Expressions by User

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Title Test Details Pattern Title
Expression
^[-+]?[1-9]\d*\.?[0]*$
Description
This will check if a number is an integer. Positive integers are all the whole numbers greater than zero: 1, 2, 3, 4, 5, ... . Negative integers are all the opposites of whole numbers: -1, -2, -3,-4, -5, ... . Zero is not a whole number with either a positive or negative value, and is not an interger. Null or Empty values are not intergers.
Matches
10 | -10 | +10.00
Non-Matches
0 | -10.50 | 10.50
Author Rating: The rating for this expression. Chuck Scholton
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