Indexing: oxy_indexof() Function
This function is used to define searches.
The oxy_indexof() function has two signatures:
- Syntax 1:
-
oxy_indexof ( text , toFind )
Returns the index within text string of the first occurrence of the toFind substring.
- text
- Text to search in.
- toFind
- The searched substring.
- Syntax 2:
-
oxy_indexof ( text , toFind , fromOffset )
Returns the index within text string of the first occurrence of the toFind substring. The search starts from fromOffset index.
- text
- Text to search in.
- toFind
- The searched substring.
- fromOffset
- The index to start the search from.
Example: oxy_indexof Function
oxy_indexof('abcd', 'bc') returns 1.
oxy_indexof('abcdbc', 'bc', 2) returns 4.
If you only want to display part of an attribute value, for instance the
part that comes before an Appendix
string:
image[longdesc]{
content: oxy_substring(attr(longdesc), 0,
oxy_indexof(attr(longdesc), "Appendix"));
}