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# LogiView

## 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