Xem thêm Bản_mẫu:Digits

Bản mẫu xử lý chuỗi kí tự (trợ giúp)
By counting
{{#gọi: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 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
{{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