From WikiChip
Editing mirc/identifiers/$isnumber
Warning: You are not logged in. Your IP address will be publicly visible if you make any edits. If you log in or create an account, your edits will be attributed to your username, along with other benefits.
The edit can be undone.
Please check the comparison below to verify that this is what you want to do, and then save the changes below to finish undoing the edit.
This page supports semantic in-text annotations (e.g. "[[Is specified as::World Heritage Site]]") to build structured and queryable content provided by Semantic MediaWiki. For a comprehensive description on how to use annotations or the #ask parser function, please have a look at the getting started, in-text annotation, or inline queries help pages.
Latest revision | Your text | ||
Line 5: | Line 5: | ||
== Synopsis == | == Synopsis == | ||
<source lang="mIRC"> | <source lang="mIRC"> | ||
− | $isnumber(text,[ | + | $isnumber(text,[snd],[I,J])</source> |
== Parameters == | == Parameters == | ||
* '''text''' - The input string to be checked<br /> | * '''text''' - The input string to be checked<br /> | ||
− | * '''s''' - also permits +- sign to be used | + | * '''[snd]''' - Switches allowing for number to be preceded by +- sign and accepting floats |
− | * '''d''' - also permits the decimal, allowing numbers with fractions | + | ** '''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 | ||
* '''[I,J]''' - If you pass a third and fourth parameters, they must be valid number (with respect to the switches used) and are used to validate the number in a range. | * '''[I,J]''' - If you pass a third and fourth parameters, they must be valid number (with respect to the switches used) and are used to validate the number in a range. | ||
Line 24: | Line 26: | ||
<source lang="mIRC">//echo -a $isnumber(abcdefG)</source> | <source lang="mIRC">//echo -a $isnumber(abcdefG)</source> | ||
− | will return '''$false''' because not all the | + | will return '''$false''' because not all the character are digit |
Line 37: | Line 39: | ||
== See also == | == See also == | ||
* {{mIRC|$calc}} | * {{mIRC|$calc}} | ||
− |