Template:String-handling templates

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>.

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

Dedicated

{{delink}}, {{trim brackets}}	Removes wikilink brackets (wikicode); all or outer only.
{{remove file prefix}}	Removes "File:" (or "Image:") from filenames.
{{PAGENAMEBASE}}	To 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.

{{remove unranked}}	Removes the string "unranked_" from the left of a string (taxonomy).
{{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}}	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

{{str endswith}}	To check if a string ends with a given string.
{{str find}}, {{strfind short}}	Returns the numerical location of a given string in a string.
{{str find0}}	Zero-based substring search.

{{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: modules that together contain most necessary string functions. Magic words: About `{{padleft:\|}}`, `{{lc:\|}}`, `{{formatnum:\|}}` etc. ParserFunctions: About `{{#titleparts:\|}}, {{#expr:\|}}, {{#ifeq:\|}},` etc.