Differences

This shows you the differences between two versions of the page.

--- regex:numbers [2022/09/20 22:57] – peter
+++ regex:numbers [2022/09/20 23:13] (current) – peter
@@ Line 1: / Line 1: @@
 ====== Regex - Numbers ======
-[[Regex:Numbers:Numbers only|Numbers only]]
+[[Regex:Numbers:0 and numbers not beginning with 0|0 and numbers not beginning with 0]]
-----
+[[Regex:Numbers:Decimal places|Decimal places]]
+[[Regex:Numbers:Floating-point|Floating-point]]
-digits only
+[[Regex:Numbers:Integers|Integers]]
-<code>
+[[Regex:Numbers:Numbers only|Numbers only]]
-^\d{5}$
-</code>
-----
+[[Regex:Numbers:Minimum number of digits|Minimum number of digits]]
-Minimum 3 digits
+[[Regex:Numbers:Range of digits|Range of digits]]
-<code>
+[[Regex:Numbers:Specific number of digits only|Specific number of digits only]]
-^\d{3,}$
-</code>
-----
--5 digits
-<code>
-^\d{2,5}$
-</code>
 ----
-and numbers not begin with 0
-<code>
-^(0|[1-9][0-9]*)$
-</code>
-----
-Numbers not begin with 0 and maximum 2 decimals
-<code>
-^([1-9][0-9]*)+(.[0-9]{1,2})?$
-</code>
-----
-Positive or Negative numbers with maximum 2 decimals
-<code>
-^(\-)?\d+(\.\d{1,2})?$
-</code>
-----
-Positive, Negative numbers and any decimal length
-<code>
-^(\-|\+)?\d+(\.\d+)?$
-</code>
-----
-Numbers with maximum 2 decimals
-<code>
-^[0-9]+(.[0-9]{2})?$
-</code>
-----
-Numbers with 1-5 decimals
-<code>
-^[0-9]+(.[0-9]{1,5})?$
-</code>
-----
-Positive Integer, excluding 0
-<code>
-^[1-9]\d*$
-</code>
-or
-<code>
-^([1-9][0-9]*){1,3}$
-</code>
-or
-<code>
-^\+?[1-9][0-9]*$
-</code>
-----
-Negative Integer, excluding 0
-<code>
-^-[1-9]\d*$
-</code>
-or
-<code>
-^\-[1-9][0-9]*$
-</code>
-----
-Positive Integer
-<code>
-^\d+$
-</code>
-or
-<code>
-^[1-9]\d*|0$
-</code>
-----
-Negative Integer
-<code>
-^-[1-9]\d*|0$
-</code>
-or
-<code>
-^((-\d+)|(0+))$
-</code>
-----
-Positive floating-point
-<code>
-^[1-9]\d*\.\d*|0\.\d*[1-9]\d*$
-</code>
-or
-<code>
-^[1-9]\d*\.\d*|0\.\d*[1-9]\d*|0?\.0+|0$
-</code>
-----
-Negative floating-point
-<code>
-^((-\d+(\.\d+)?)|(0+(\.0+)?))$
-</code>
-or
-<code>
-^-([1-9]\d*\.\d*|0\.\d*[1-9]\d*)$
-</code>
-or
-<code>
-^(-([1-9]\d*\.\d*|0\.\d*[1-9]\d*))|0?\.0+|0$
-</code>
-or
-<code>
-^(-(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*)))$
-</code>
-----
-Floating-point
-<code>
-^-?([1-9]\d*\.\d*|0\.\d*[1-9]\d*|0?\.0+|0)$
-</code>
-----