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{{documentation subpage}}
{{lua|Module:String}}


This is the {{tl|str len}} meta-template.

It takes a string as parameter and returns its length (excluding spaces at the start and end). It can now count as high as necessary.

=== Examples ===

If the parameter is empty or undefined it is considered to be of zero length:

:<code><nowiki>{{str len}}</nowiki></code> returns {{str len}}
:<code><nowiki>{{str len|}}</nowiki></code> returns {{str len|}}
:<code><nowiki>{{str len| }}</nowiki></code> returns {{str len| }}

It counts the length correctly, even if the string contains spaces, looks like a number, or contains special characters:

:<code><nowiki>{{str len| ab cde }}</nowiki></code> returns {{str len| ab cde }}

:<code><nowiki>{{str len| 1234567 }}</nowiki></code> returns {{str len| 1234567 }}

:<code><nowiki>{{str len| café åäö }}</nowiki></code> returns {{str len| café åäö }}

:<code><nowiki>{{str len| 499-characters... }}</nowiki></code> returns {{str len| abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi }}
:<code><nowiki>{{str len| 1000-characters... }}</nowiki></code> returns {{str len| abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghi abcdefghij }}

=== Template data ===
{{TemplateDataHeader}}
<templatedata>
{
"description": {
"en": "The template takes a string as parameter and returns its length, excluding spaces at the start and end of the string",
"cs": "Šablona bere řetězec jako parametr a vrací jeho délku, s výjimkou mezer na začátku a na konci řetězce"
},
"params": {
"1": {
"label": {
"en": "Alpha-numeric text",
"cs": "Alfanumerický text"
},
"description": {
"en": "The string to be counted",
"cs":"Řetězec, který se má počítat"
},
"type": "string",
"required": true
}
}
}
</templatedata>

=== Technical details ===

This is the first general-purpose template to be implemented using [[mw:Extension:Scribunto]]. The Lua code is located in [[Module:String]].

=== See also ===

{{navbox string handling templates}}

<includeonly>

[[Category:String manipulation templates|{{PAGENAME}}]]

</includeonly>

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