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Function 'strlen'

     

This function returns the number of characters in a string expression.

 

Syntax:

  {INT_VAR}= strlen({STR_EXPR})
 

I/O parameters:

{STR_EXPR} String expression to be searched.
-  
 

Result value:

 
{INT_VAR} Number of characters.
 

Example:

  Declaration of Variables
 
  10   DOCU_INT_1=0	
  20   ask(DOCU_STRING_1,"Enter a word consisting of at least 12 letters!")	
  30   DOCU_INT_1 = strlen(DOCU_STRING_1)	
  40   if ( DOCU_INT_1 < 12 )	
  50     put("This word contains less than 12 letters!")	
  60 C   -- Recursive call
  70     PR_3()	
  80 else	
  90     put("Entry OK!")	
 100   endif	
  Result:
 

Functions and commands: Editing Strings