Difference between revisions of "Documentation/How Tos/Calc: FIND function"

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{{Documentation/MasterTOC
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|bookid=1234'''
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|booktitle=<div style="padding: 8px; font-size: 140%; font-weight: bold; background-color: #9BC0F5;">CALC FUNCTIONS</div>
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|ShowParttitle=block|parttitle=[[Documentation/How_Tos/Calc:_Text_functions|<div style="font-size: 140%;">Text Functions]]
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|ShowNextPage=block|NextPage=Documentation/How_Tos/Calc:_FIXED_function
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|ShowPrevPage=block|PrevPage=Documentation/How_Tos/Calc:_EXACT_function
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|ShowPrevPart=block|PrevPart=Documentation/How_Tos/Calc:_Statistical_functions
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|ShowNextPart=block|NextPart=Documentation/Reference/Calc_functions
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|toccontent= <div style="padding: 4px; font-size: 130%; font-weight: hidden; background-color:#DCE9FC;">FUNCTIONS</div>
  
 
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* [[Documentation/How_Tos/Calc:_BASE_function|<div style="font-size: 120%;">Base]]
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* [[Documentation/How_Tos/Calc:_CHAR_function|<div style="font-size: 120%;">Char]]
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* [[Documentation/How_Tos/Calc:_CLEAN_function|<div style="font-size: 120%;">Clean]]
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* [[Documentation/How_Tos/Calc:_CODE_function|<div style="font-size: 120%;">Code]]
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* [[Documentation/How_Tos/Calc:_CONCATENATE_function|<div style="font-size: 120%;">Concatenate]]
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* [[Documentation/How_Tos/Calc:_DOLLAR_function|<div style="font-size: 120%;">Dollar]]
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* [[Documentation/How_Tos/Calc:_EXACT_function|<div style="font-size: 120%;">Exact]]
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* [[Documentation/How_Tos/Calc:_FIND_function|<div style="font-size: 120%; border-style: double; border-color:#778899;">Find]]
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* [[Documentation/How_Tos/Calc:_FIXED_function|<div style="font-size: 120%;">Fixed]]
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* [[Documentation/How_Tos/Calc:_LEFT_function|<div style="font-size: 120%;">Left]]
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* [[Documentation/How_Tos/Calc:_LEN_function|<div style="font-size: 120%;">Len]]
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* [[Documentation/How_Tos/Calc:_LOWER_function|<div style="font-size: 120%;">Lower]]
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* [[Documentation/How_Tos/Calc:_MID_function|<div style="font-size: 120%;">Mid]]
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* [[Documentation/How_Tos/Calc:_PROPER_function|<div style="font-size: 120%;">Proper]]
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* [[Documentation/How_Tos/Calc:_REPLACE_function|<div style="font-size: 120%;">Replace]]
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* [[Documentation/How_Tos/Calc:_REPT_function|<div style="font-size: 120%;">Rept]]
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* [[Documentation/How_Tos/Calc:_RIGHT_function|<div style="font-size: 120%;">Right]]
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* [[Documentation/How_Tos/Calc:_SEARCH_function|<div style="font-size: 120%;">Search]]
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* [[Documentation/How_Tos/Calc:_SUBSTITUTE_function|<div style="font-size: 120%;">Substitute]]
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* [[Documentation/How_Tos/Calc:_T_function|<div style="font-size: 120%;">T]]
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* [[Documentation/How_Tos/Calc:_TEXT_function|<div style="font-size: 120%;">Text]]
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* [[Documentation/How_Tos/Calc:_TRIM_function|<div style="font-size: 120%;">Trim]]
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* [[Documentation/How_Tos/Calc:_UPPER_function|<div style="font-size: 120%;">Upper]]
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* [[Documentation/How_Tos/Calc:_VALUE_function|<div style="font-size: 120%;">Value]]
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}}__TOC__
 
== FIND ==
 
== FIND ==
 
Returns the position of a string of text within another string.  
 
Returns the position of a string of text within another string.  

Revision as of 20:25, 1 June 2013


FIND

Returns the position of a string of text within another string.

Syntax:

FIND(findtext; texttosearch; startposition)

returns the character position of the first occurrence of findtext within texttosearch.
startposition (optional) is the position from which the search starts.
The search is case-sensitive.
A failed search gives the #VALUE! error.

Example:

FIND("yo"; "Yoyo")

returns 3.

FIND("cho"; "choochoo"; 2)

returns 5.

FIND("xyz","abcdef",1)

returns #VALUE!.
NOTE: This is an error condition, which must be 'handled' if used as the argument to another function.
IF( FIND("xyz","abcdef",1) , "Substring Present", "ERR: Missing Substring" )
returns #VALUE! which is not very useful, therefore we could use either ISERROR() or ISNUMBER() for example:
IF( ISERROR( FIND("xyz","abcdef",1) ) , "ERR: Missing Substring", "Substring Present" ).
returns "ERR: Missing Substring" (... allowing the IF() to function, and not propagating the error from the FIND() function.
IF( ISNUMBER( FIND("xyz","abcdef",1) ) , "Substring Present", "ERR: Missing Substring" ).
returns "ERR: Missing Substring" (... allowing the IF() to function, and not propagating the error from the FIND() function.
NOTE: In practice, it may be more maintainable to use ISNUMBER() to avoid negative logic, and it is more indicitive of the evaluation desired: if the substring has a position, then ISNUMBER() is TRUE, else ISNUMBER() is FALSE.
Template:Documentation/SeeAlso
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