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Expressions by User

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Title Test Details Pattern Title
Expression
^[+-]?([0-9]*\.?[0-9]+|[0-9]+\.?[0-9]*)([eE][+-]?[0-9]+)?$
Description
A regular expression that matches numbers. Integers or decimal numbers with or without the exponential form.
Matches
23 | -17.e23 | +.23e+2
Non-Matches
+.e2 | 23.17.5 | 10e2.0
Author Rating: The rating for this expression. Erik Pettersson
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