strripos Find position of last occurrence of a case-insensitive string in a string &reftitle.description; intstrripos stringhaystack stringneedle intoffset Find position of last occurrence of a case-insensitive string in a string. Unlike strrpos, strripos is case-insensitive. &reftitle.parameters; haystack The string to search in needle Note that the needle may be a string of one or more characters. offset The offset parameter may be specified to begin searching an arbitrary number of characters into the string. Negative offset values will start the search at offset characters from the start of the string. &reftitle.returnvalues; Returns the numerical position of the last occurence of needle. Also note that string positions start at 0, and not 1. If needle is not found, &false; is returned. &return.falseproblem; &reftitle.examples; ]]> &example.outputs; &reftitle.seealso; strpos stripos strrchr substr stristr strstr