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This template uses Lua :
This template wraps the function {{#invoke:String |find|...}}, and provides the extra option to return an alternative string (including a blank string) when nothing is found.
Usage {{In string|source_string |target_string |start_index |plain_flag |nomatch_returntext }}or
{{In string|source=source_string |target=target_string |start=start_index |plain=plain_flag |nomatch=nomatch_returntext}}{{In_string
|source=
|target=
|start=
|plain=
|nomatch=
}}
By default, when the target is not found, 0 is returned.
Set |nomatch=anytext to replace that 0. Also, |nomatch= <blank> returns blank not 0. Note: outer spaces are not conserved.
Using the nomatch option
{{#if:{{in string|source=pancake|target=pizza|plain=true|nomatch=}}|Is a pizza|Not a pizza}} → Not a pizza
{{#if:{{in string|source=Hawaiian pizza|target=pizza|plain=true|nomatch=}}|Is a pizza|Not a pizza}} → Is a pizza Examples {{In string|abc123def }} → 0{{In string|source= abc123def }} → 0{{In string|abc123def |123}} → 4{{In string|source= abc123def |target= 123 }} → 4{{In string|abc123def |%d|3|false}} → 4{{In string|source= abc123def |target= %d |start= 3 |plain= false }} → 4nomatch=xxx {{In string|abc123def |nomatch=xxx}} → xxx{{In string|source= abc123def |nomatch=xxx}} → xxx{{In string|abc123def |123|nomatch=xxx}} → 4{{In string|source= abc123def |target= 123 |nomatch=xxx}} → 4{{In string|abc123def |%d|3|false|nomatch=xxx}} → 4{{In string|source= abc123def |target= %d |start= 3 |plain= false |nomatch=xxx}} → 4nomatch = blank {{In string|abc123def |nomatch=}} →{{In string|source= abc123def |nomatch=}} →{{In string|abc123def |123|nomatch=}} → 4{{In string|source= abc123def |target= 123 |nomatch=}} → 4{{In string|abc123def |%d|3|false|nomatch=}} → 4{{In string|source= abc123def |target= %d |start= 3 |plain= false |nomatch=}} → 4module Examples
{{#invoke:String|find|abc123def }} → 0{{#invoke:String|find|source= abc123def }} → 0{{#invoke:String|find|abc123def |123}} → 4{{#invoke:String|find|source= abc123def |target= 123 }} → 4{{#invoke:String|find|abc123def |%d|3|false}} → 4{{#invoke:String|find|source= abc123def |target= %d |start= 3 |plain= false }} → 4Template data
Template data
Template parameters[ Edit template data ]
Parameter Description Type Status 1 1no description
Unknown optional 2 2no description
Unknown optional 3 3no description
Unknown optional 4 4no description
Unknown optional source sourceno description
Unknown optional target targetno description
Unknown optional start startno description
Unknown optional plain plainno description
Unknown optional nomatch nomatchno description
Unknown optional
See 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
{{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 {{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. {{Font style }} Returns bold or italic if the input value has either formatting. {{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
