strrpos Find the position of the last occurrence of a substring in a string &reftitle.description; intstrrpos stringhaystack stringneedle intoffset0 Find the numeric position of the last occurrence of needle in the haystack string. &reftitle.parameters; haystack The string to search in. needle If needle is not a string, it is converted to an integer and applied as the ordinal value of a character. offset If specified, search will start this number of characters counted from the beginning of the string. If the value is negative, search will instead start from that many characters from the end of the string, searching backwards. &reftitle.returnvalues; Returns the position where the needle exists relative to the beginnning of the haystack string (independent of search direction or offset). Also note that string positions start at 0, and not 1. Returns &false; if the needle was not found. &return.falseproblem; &reftitle.changelog; &Version; &Description; 5.0.0 The needle may now be a string of more than one character. 5.0.0 The offset parameter was introduced. &reftitle.examples; Checking if a needle is in the haystack It is easy to mistake the return values for "character found at position 0" and "character not found". Here's how to detect the difference: ]]> Searching with offsets ]]> &reftitle.seealso; strpos stripos strripos strrchr substr