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This template uses Lua :
The Template:Str_number/trim
It takes a string as parameter, and returns the string trimmed to the beginning number if non-numeric text does not appear before the first number.
Examples {{Str number/trim}} →{{Str number/trim|abcde}} →{{Str number/trim|abcde123}} →{{Str number/trim|123456}} → 123456{{Str number/trim|123 456}} → 123{{Str number/trim|1976–2006}} → 1976{{Str number/trim|19/76+2006}} → 19{{Str number/trim|19 (302)}} → 19{{Str number/trim|1234abc}} → 1234{{Str number/trim|1234abc56}} → 1234{{Str number/trim|12345678901234567890}} → 12345678901234567890{{Str number/trim|1234567890123456789012345}} → 1234567890123456789012345{{Str number/trim| 1234567890123456789012345}} → 1234567890123456789012345{{Str number/trim|13<ref>a reference</ref>}} → 13See also
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
{{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).
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
{{str startswith }}str endswith }} Check if a string starts or ends with a given string. {{str find }}, {{strfind short }} Returns the numerical location of a given string in a string. {{in string }} Returns optional string when given string is not found {{str count }} Count the number of occurrences of a pattern within a string.
{{a or an }} Takes a noun and produces the appropriate indefinite article, based on whether the first letter is a vowel. {{Array }} Array manipulation and retrieval. {{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
References
Template documentation
