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$isnumber Identifier - mIRC
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Revision as of 18:22, 17 February 2022 by Ouims (talk | contribs) (Example)

$isnumber Returns $true if text is a number, otherwise returns $false.

Note: switches affects the range number parameters, see the examples

Synopsis

$isnumber(text,[snd],[I,J])


Parameters

  • text - The input string to be checked
  • [snd] - Switches allowing for number to be preceded by +- sign and accepting floats
    • s - also permits +- sign to be used
    • n - default, when no switches are used. Accepts text consisting of digits only
    • d - also permits the decimal, allowing numbers with fractions

Properties

None

Example

//echo -a $isnumber(564)

will return $true

//echo -a $isnumber(abcdefG)

will return $false because not all the character are digit


//var %a -123 | echo -a $isnumber(%a) vs $isnumber(%a,s)

result: $false vs $true (using a sign requires 's')

//echo -a $isnumber(3,d,2.1,4) vs $isnumber(3,2.1,4)

result: $false vs error, the d switches is required not only to allow decimal in the input, but in each range parameter as well

Compatibility

Added: mIRC v7.58
Added on: 17 Nov 2019
Note: Unless otherwise stated, this was the date of original functionality.
Further enhancements may have been made in later versions.

See also