regex:numbers:floating-point
Table of Contents
Regex - Numbers - Floating-point
Floating-point
^-?([1-9]\d*\.\d*|0\.\d*[1-9]\d*|0?\.0+|0)$
Positive floating-point
^[1-9]\d*\.\d*|0\.\d*[1-9]\d*$
or
^[1-9]\d*\.\d*|0\.\d*[1-9]\d*|0?\.0+|0$
Negative floating-point
^((-\d+(\.\d+)?)|(0+(\.0+)?))$
or
^-([1-9]\d*\.\d*|0\.\d*[1-9]\d*)$
or
^(-([1-9]\d*\.\d*|0\.\d*[1-9]\d*))|0?\.0+|0$
or
^(-(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*)))$
regex/numbers/floating-point.txt · Last modified: 2022/09/21 00:05 by peter