Template:Str letter/doc

Purpose
This is the str letter meta-template.

It takes a string as parameter, and returns its length of preceding letters.

Examples
If the parameter is empty or undefined it is considered to be of zero length:


 * returns
 * returns
 * returns

The count is interrupted by numbers, symbols, and punctuation:


 * returns
 * returns
 * returns
 * returns
 * returns
 * returns
 * returns
 * returns
 * returns


 * returns
 * returns