find

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 Function - Find the position of characters in a string.

Inputs

Input

Data Type

Range

Unit

Default

Description

IN

STRING

 

 

 

Character string.

STR

STRING

 

 

 

Specific characters to search for within the STRING.

Outputs

Output

Data Type

Range

Unit

Description

POS

DINT

 

 
  • Position of the first character of STR in IN.
  • Returns 0 (zero) if not found.

Remarks

  • The first valid character position is 1.
  • The search is case sensitive.
  • The return value can be used with other string functions (e.g., mid or right).

FBD Language Example

FFLD Language Example

  • In the FFLD Language, the operation is executed only if the input rung (EN) is TRUE.
    • The output rung (ENO) keeps the same value as the input rung.
    • The function is executed only if EN is TRUE.
    • ENO keeps the same value as EN.

IL Language Example

  • In the IL Language, the first input (the string) must be loaded in the current result before calling the function.
    • The second argument is the operand of the function.
Op1: LD     IN
     FIND   STR
     ST     POS

ST Language Example

POS := FIND (IN, STR);

See Also