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الگو:Chop head and tail/توضیحات

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< الگو:Chop head and tail

نسخهٔ تاریخ ‏۱۱ فوریهٔ ۲۰۲۲، ساعت ۱۳:۰۶ توسط Engineer (بحث | مشارکت‌ها) (Engineer صفحهٔ الگو:Chop head and tail/doc را به الگو:Chop head and tail/توضیحات منتقل کرد: جایگزینی متن - '/doc' به '/توضیحات')

(تفاوت) → نسخهٔ قدیمی‌تر | نمایش نسخهٔ فعلی (تفاوت) | نسخهٔ جدیدتر ← (تفاوت)

Usage[ویرایش مبدأ]

{{Chop head and tail|<string>|<number>}}

This template removes <number> characters from the start and end of <string>.

{{Chop head and tail|12345654321|3}} gives 45654.

Unlinking[ویرایش مبدأ]

This template can be used to "unlink" a linked parameter.

{{Chop head and tail|[[Einstein]]|2}} results in Einstein.

Because the default value of <number> is 2, this can be shortened to {{Chop head and tail|[[Einstein]]}}.

Limitations[ویرایش مبدأ]

Expensive.
When used on strings with characters that carry a meaning in wiki-layout, this template will interpret the character as a layout instruction (bugzilla:12974). For example, {{Chop head and tail|[[123;456]]}} renders as
123;456
Supports the character set as defined by {{Str index/getchar}}, so that e.g. {{Chop head and tail|[[Nürnberg]]}} renders correctly as Nürnberg. However, not all characters are in this set.

See also[ویرایش مبدأ]

{{Unlink}}

String-handling templates (help page)

Substring (select chunk of string by its position)

{{#invoke:string\|sub}} {{str sub new}}	Select a substring based on starting and ending index counted in either direction.
{{str left}}	Keep the first N characters of a string, or duplicate it to N characters.
{{str crop}}	Return all but the last N characters of a string.
{{str index}}	Return the N-th character of a string.

{{str right}}	Return substring starting at N-th character to end of string.
{{str rightc}}	Return the last N characters of a string; or a given value if empty.
{{str sub old}}	Return substring of given length starting at N-th character.

Trimming (select/remove chunk of string by character type)

{{trim}}	Trim any leading or trailing whitespace
{{str letter/trim}}	Trim down to the beginning letters.
{{str number/trim}}	Trim down to the beginning numbers.
{{trim brackets}}	Trim any leading or trailing square brackets.
{{trim quotes}}	Trim leading or trailing matching quotes.
{{trim leading}}	Trim up to six instances of specified <prefix>.

{{string split}}	Extract a short string from a long string.
{{first word}}	Trim down to the first space.
{{remove first word}}	Remove anything before the first space.
{{last word}}	Trim down from the last space.
{{remove last word}}	Remove anything after the last space.

Select/remove specific item from string

{{delink}}, {{trim brackets}}	Removes wikilink brackets (wikicode); all or outer only.
{{remove file prefix}}	Removes "File:" (or "Image:") from filenames.
{{PAGENAMEBASE}}	Trim off any parenthesis text at the end of a string (disambiguation).
{{title disambig text}}	Returns text in parentheses at the end of a string (disambiguation).
{{WikiProjectbasename}}	Removes "WikiProject" from a pagename.

{{ship prefix}}	Returns the length of a ship's name prefix, if listed (ship names).
{{title year}}	Returns the 3-or-4-digit year from a pagename, if any.
{{title decade}}	Returns the 4-digit decade (e.g. "1740s") from a pagename, if any.
{{title number}}	Returns any number from a pagename.

Insertion, replacement and length

{{loop}}	Repeat character string a specified number of times.
{{replace}}	Returns the string, after replacing all occurrences of a specified string with another string.
{{str rep}}	Returns the string, after replacing the first occurrence of a specified string with another string.
{{digits}}	Returns the string, after removing all characters that are not digits 0–9
{{Plain text}}, {{Nowiki}}	Strips wikicode from a string.

{{str len}}	Returns a string's length.
{{str ≥ len}}	Check if a string is "longer or equally long" or "shorter" than a given length.
{{str ≤ len}}	Check if a string is "shorter or equally long" or "longer" than a given length.
{{str ≠ len}}	Check if a string is "not equal" or "equal" to a given length.

Analysis and searching

{{#invoke:string2\|startswith}} {{str endswith}}	Check if a string starts or ends with a given string.
{{str find}}, {{strfind short}}	Returns the numerical location of a given string in a string.
{{in string}}	Returns optional string when given string is not found
{{str count}}	Count the number of occurrences of a pattern within a string.

{{a or an}}	Takes a noun and produces the appropriate indefinite article, based on whether the first letter is a vowel.
{{Isnumeric}}	Returns number when true, blank when not numeric.
{{str letter}}	Returns the number of letters that begin a string.
{{str number}}	Returns the number of numbers that begin a string.

Modules and built-in functions
Module:String, Module:String2, Module:Ustring, Module:Text: modules that together contain most necessary string functions. Magic words: About `{{padleft:\|}}`, `{{lc:\|}}`, `{{formatnum:\|}}` etc. ParserFunctions: About `{{#titleparts:\|}}, {{#expr:\|}}, {{#ifeq:\|}},` etc.

Category:String manipulation templates

Category:String manipulating modules

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