Sjabloon:Str find

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Versie door Ahenket (overleg | bijdragen) op 18 jul 2013 om 08:03 (Nieuwe pagina aangemaakt met '{{#invoke:String|str_find|source={{{1|}}}|{{{2|}}}}}<noinclude> {{documentation}}</noinclude>')
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[bewerken] [purge] Template documentation


{{Str find|text|sub_string}} = Position of first appearance of sub_string in text.


In the examples, the string to be searched is Abcdefghijklm:

  • A; {{#invoke:String|str_find|source=Abcdefghijklm|A}}
  • a; {{#invoke:String|str_find|source=Abcdefghijklm|a}}
  • def; {{#invoke:String|str_find|source=Abcdefghijklm|def}}
  • klm; {{#invoke:String|str_find|source=Abcdefghijklm|klm}}
  • zyx; {{#invoke:String|str_find|source=Abcdefghijklm|zyx}}
  • empty;klm;{{#invoke:String|str_find|source=|klm}}
  • empty;empty; {{#invoke:String|str_find|source=|}}

  • Case sensitive.
  • Returns -1 if sub_string not found
  • Character position is 1 based (not 0 based as usual in calculations).
  • Warning: if sub_string is empty, then this routine will return 1 !!! This case will often have to be handled specially.

<templatedata> {

       "description": "A template to find the numeric position of first appearance of sub_string in text",
       "params": {
               "text": {
                       "label": "Text to find",
                       "description": "The text to search within the substring",
                       "type": "string",
                       "required": true
               "sub_string": {
                       "label": "Text",
                       "description": "The string to be searched",
                       "type": "string",
                       "required": true

} </templatedata>

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