This template uses Lua :
{{Str rep|<string>|<find>|<replacewith>}}
Returns <string> with the first occurrence of <find> replaced with <replacewith>.
{{str rep|Dogs chase cats|chase|love}} = Dogs love cats{{Replace }} - to replace all occurrences (Lua based)
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
