strval [ezeio documentation]

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==== strval ====

Find the numeric value of a string.

=== Description ===

<code>strval( const string[], index=0, limit=15 )</code>

strval will evaluate all digits starting at the index position until it encounters a non-digit or evaluated ''limit'' characters whichever comes first.

=== Parameters ===

| ''string'' | The buffer to be evaluated |
| ''index'' | The offset in the buffer to start looking for a number. |
| ''limit'' | The max number of digits to evaluate, starting after ''index''. |

=== Return value ===

The value in the string.\\
Returns 0 if the string starting at the index did not start with a valid number.

=== Example usage ===

<code javascript>    
    new x;
    new s{20} = "Cat47";

    x = strval(s, 3); 
    
    // x is now 47
</code>

<wrap hi>NOTE: The ''limit'' parameter requires firmware 24020101 or newer.</wrap>