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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