replace

 Function - Replace characters in a string.

Inputs

Input	Data Type	Range	Unit	Default	Description
IN	STRING				Character string.
STR	STRING				String containing the characters to be inserted in place of the NDEL removed characters.
NDEL	DINT				Number of characters to be deleted before insertion of STR.
POS	DINT				Position where characters are replaced.

Outputs

Output	Data Type	Range	Unit	Description
Q	STRING			Modified string.

Remarks

• The first valid character position is 1.

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.
  • Other arguments are operands of the function, separated by comas.

Op1: LD      IN
     REPLACE STR, NDEL, POS
     ST      Q

ST Language Example

Q := REPLACE (IN, STR, NDEL, POS);

See Also

• Addition +
• delete
• find
• insert
• left
• mid
• mlen
• right