SubstringPos-Altova
substring-pos(StringToCheck as xs:string, StringToFind as xs:string) as xs:integer XP3.1 XQ3.1 Returns the character position of the first occurrence of StringToFind in the string StringToCheck. The character position is returned as an integer. The first character of StringToCheck has the position 1. If StringToFind does not occur within StringToCheck, the integer 0 is returned. To check for the second or a later occurrence of StringToCheck, use the next signature of this function.
substring-pos(StringToCheck as xs:string, StringToFind as xs:string, Integer as xs:integer) as xs:integer XP3.1 XQ3.1 Returns the character position of StringToFind in the string, StringToCheck. The search for StringToFind starts from the character position given by the Integer argument; the character substring before this position is not searched. The returned integer, however, is the position of the found string within the entire string, StringToCheck. This signature is useful for finding the second or a later position of a string that occurs multiple times with the StringToCheck. If StringToFind does not occur within StringToCheck, the integer 0 is returned.
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