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  | This template  uses Lua:
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Usage
{{digits|string}}
{{digits|1=string}}
Removes all characters from string that are not a digit 0–9.
Examples
{{digits|1,234,567}} → 1234567
{{digits|24.51 km (15.23 mi)}} → 24511523
See also
String-handling templates  (help page) | 
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Substring (select chunk of string by its position)  | 
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  |  {{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. |  
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Trimming (select/remove chunk of string by character type)  | 
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Select/remove specific item from string  | 
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  |  {{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. |  
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Insertion, replacement, and length  | 
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    |  {{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. |  
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    |  {{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. |  
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Analysis and searching  | 
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    |  {{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. |  
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Modules and built-in functions  | 
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