Template:IsNum: Difference between revisions

Latest revision as of 15:52, 24 May 2014

0

The following template description is not displayed when the template is inserted in an article.

This template can be used when you want to see if a string is a number.

Renders as "1" if a string is a number and "0" when not.

{{IsNum|string}}

string: String with possible number. Numbers can have a trailing decimal point. Decimal numbers must use decimal point.

An empty sting is not a number: {{IsNum|}}

An empty sting is not a number: 0

Three is a number: {{IsNum|3}}

Three is a number: 1

Trailing decimal point can be used: {{IsNum|3.}}

Trailing decimal point can be used: 1

Decimal comma can not be used: {{IsNum|3,1}}

Decimal comma can not be used: 0

Decimal numbers can of course be used: {{IsNum|3.14}}

Decimal numbers can of course be used: 1

@@ Line 1: / Line 1: @@
 {{#IfEq:{{{1|}}}|0|1|{{#IfEq:{{#Expr:{{{1|}}}/{{{1|}}}}}|1|1|0}}}}<noinclude>
+{{Informative template|1=
+__NOTOC__
+== Goal ==
+This template can be used when you want to see if a string is a number.
+== Usage ==
+Renders as "1" if a string is a number and "0" when not.
+ <nowiki>{{</nowiki>'''IsNum'''<nowiki>|</nowiki>''string''<nowiki>}}</nowiki>
+; string:  String with possible number.  Numbers can have a trailing decimal point.  Decimal numbers must use decimal point.
+== Examples ==
+ <nowiki>An empty sting is not a number: {{IsNum|}}</nowiki>
+An empty sting is not a number: {{IsNum|}}
+ <nowiki>Three is a number: {{IsNum|3}}</nowiki>
+Three is a number: {{IsNum|3}}
+ <nowiki>Trailing decimal point can be used: {{IsNum|3.}}</nowiki>
+Trailing decimal point can be used: {{IsNum|3.}}
+ <nowiki>Decimal comma can not be used: {{IsNum|3,1}}</nowiki>
+Decimal comma can not be used: {{IsNum|3,1}}
+ <nowiki>Decimal numbers can of course be used: {{IsNum|3.14}}</nowiki>
+Decimal numbers can of course be used: {{IsNum|3.14}}
+}}
 [[Category:Templates]]
-[[Category:Undocumented templates]]
 </noinclude>