If extra words or characters appear in the values of the parameters when using the script on some site, you can remove them every time by hand. Or you can make the script remove them automatically by changing the code for the site by hand (the code given on the page Site Setup). Here is an example: On BBC articles the author is given on a line below the title and the name is preceded by the word "''By"''. To remove this "''By"'', modify the value for the "''author"'' parameter in the code for the BBC site, which is normally "<code>span.byline-name"</code> toby "adding <code>^^By</code> at the end: <code>span.byline-name^^By"</code> (actually just ''y'' instead of ''By'' will work too - everything before the first occurrence of the word after the first ^^ is automatically removed). If there are characters you want to remove from the end too (here as an example - an exclamation point), add another ^^ and the characters: "<code>span.byline-name^^By^^!"</code>. If you want to remove characters only from the end, use <code>^^^^</code> (i.e. leave empty the slot for the characters to omit from the beginning). No need to include spaces at the start or end of the words after ^^.
The caveat is that these words, after ^^, can be [[regular expression]]s. What that means is to use the characters '''\ . ? * + | ^ $ ( ) [ ] { }''' you need to prepend them with <code>\</code>. Otherwise they have special meanings. A period for examples means "any one character", while .*?:(: is ''not'' a special character, while ., *, and ? ''are'') means "match all characters up to and including the firstAn example:". Example: "span.byline-name^^.*?\|" - removes from the beginning all characters up to and including the first vertical bar (* matches zero or more of the preceding character, here . is a special character meaning "any character"; we escaped the vertical bar with a \ before it because | is a special character in regular expressions). Another example, where we want to remove everything after the first period: "<code>span.byline-name^^^^\."</code> - here we use <code>\</code> to escape the special-character meaning of the period.
