The oxy_lastindexof() Function

The oxy_lastindexof() function is used to define last occurrence searches.

The oxy_lastindexof() function has two signatures:

• oxy_lastindexof ( text , toFind )

  Returns the index within text string of the rightmost occurrence of the toFind substring.

  text

  Text to search in.

  toFind

  The searched substring.

• oxy_lastindexof ( text , toFind , fromOffset )

  The search starts from fromOffset index. Returns the index within text string of the last occurrence of the toFind substring, searching backwards starting from the fromOffset index.

  text

  Text to search in.

  toFind

  The searched substring.

  fromOffset

  The index from which to start the search backwards.

image[longdesc]{
 content: oxy_substring(attr(longdesc), 0, oxy_lastindexof(attr(longdesc), "Appendix"));
}