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This template is used on approximately 640,000 pages, or roughly 1% of all 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 :
|1= for the first parameter if the string may contain an equals sign (=). By default, words are delimited by spaces, but the optional parameter |sep= can set the separator to any character.
One parameter (space as separator):
{{First word| string }} {{First word|1= string }} Two parameters (user-defined character as separator):
{{First word| string |sep= character }} {{First word|1= string |sep= character }} {{First word|Foo bar baz}} → Foo{{First word| Foo bar baz}} → Foo{{First word|Foo}} → Foo{{First word|Foo-bar-baz}} → Foo-bar-baz{{First word|Foo-bar-baz|sep=-}} → Foo{{First word|34,000,500|sep=,}} → 34{{First word|Hear ye, users|sep=,}} → Hear ye{{First word|1=len = a+b|sep==}} → len
String-handling templates
(help page)
Substring (select chunk of string by its position)
{{ 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)
Select/remove specific item from string
{{ delink }} , {{ trim brackets }} Removes wikilink brackets (wikicode); all or outer only . {{ Plain text }} Removes wikicode (formatting and brackets) {{ 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).
{{ title year }} Returns the 3-or-4-digit year from a pagename, if any. {{ title decade }} Returns the 4-digit decade from a pagename (e.g. "1740" from "Foo 1740s bar"), if any. {{ title number }} Returns any number from a pagename. {{ WikiProjectbasename }} Removes "WikiProject" 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 {{ Nowiki }} Displays wikitext as plain text.
{{ 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
{{ Array }} Array item manipulation and retrieval. {{ a or an }} Takes a noun and produces the appropriate indefinite article, based on whether the first letter is a vowel. {{ in string }} Returns optional string when given string is not found {{ 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
