Core Function isNumeric
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(Created page with "<pre> isNumeric( <expression> ) </pre> === Description === Checks if string only contains numbers. === Parameters === ==== expression ==== The string to use. === Return Val...") |
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=== Description === | === Description === | ||
| − | Checks if string only contains numbers. | + | Checks if string only contains numbers. (Allows for float/double) |
=== Parameters === | === Parameters === | ||
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=== Remarks === | === Remarks === | ||
| − | + | Remember this function will return true if the string is a valid float with decimal point if you wish to check if the string is only numbers and nothing else check out isDigit(). | |
=== Example === | === Example === | ||
Latest revision as of 12:38, 14 June 2015
isNumeric( <expression> )
Contents |
Description
Checks if string only contains numbers. (Allows for float/double)
Parameters
expression
The string to use.
Return Value
Success: Returns 1.
Failure: Returns 0.
Remarks
Remember this function will return true if the string is a valid float with decimal point if you wish to check if the string is only numbers and nothing else check out isDigit().
Example
$str = "The quick brown fox"; MsgBox( isNumeric($str) );
