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This template is used on approximately 243,000 pages ./sandbox or /testcases subpages, or in your own user subpage . The tested changes can be added to this page in a single edit. Consider discussing changes on the talk page before implementing them.
This template uses Lua :
Template parameters[ Edit template data ]
Parameter Description Type Status Match Instance 1 matchIf multiple 4-digit numbers are found, this specifies which match to return, where the first match is match= 1. If a negative number is specified then a match is returned counting from the last match. Hence match = -1 is the same as requesting the last match. Defaults to 1.
Default 1 Number optional No match text 2 nomatchIf no 4-digit year is found, output the "nomatch" value. Defaults to blank.
String optional Override page title pageSpecified a page title to use other than the current page. If left blank, the template will use the title of the current page
Default {{BASEPAGENAME}} Page name optional
String-handling templates
(help page)
By counting { { #invoke:string |sub} } ,
{ { str sub new } } : Select a substring based on starting and ending index counted in either direction.
{ { trunc } } To trim down to a specified number of characters. { { str left } } To trim down to a specified number of characters or duplicate the string to a specified number. { { str crop } } To crop a specified number of characters off the end. { { str index } } Returns a given character from a string, but not accented letters.
{ { str right } } To trim the first specified number of characters. { { str rightc } } To return a number of characters from the end, returns a parameter if the string is empty. { { str rightmost } } To trim down to the last specified number of characters. { { str sub old } } To trim down to a specified number, starting at a given number from the left.
By checking { { trim } } To trim any leading or trailing whitespace { { str letter/trim } } To trim down to the beginning letters. { { str number/trim } } To trim down to the beginning numbers. { { trim brackets } } To trim any leading or trailing square brackets. { { trim quotes } } To trim leading or trailing matching quotes. { { trim leading } } To trim up to six instances of specified <prefix>.
Dedicated { { 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 4-digit year from a pagename, if any. { { title decade } } Returns the 4-digit decade (e.g. "1740s") from a pagename, if any.
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 } } To check if a string is "longer or equally long" or "shorter" than a given length. { { str ≤ len } } To check if a string is "shorter or equally long" or "longer" than a given length. { { str ≠ len } } To check if a string is "not equal" or "equal" to a given length.
Analysis and searching
{ { 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
