How to use substring-before operation in String Function Using XPath in Xml
In this article I will explain substring-before operation of string function.
Introduction
The String's substring-before function can be used to find the substring within the string and return the string that comes before the substring, that we specify in the argument. This function takes two arguments and returns the substring of the first string argument that precedes the first occurrence of the second argument string. If the substring not matches than it return the empty string.
Syntax
| string substring-before(string,string) |
Hear substring-before is a function that takes the string argument and return the substring before the string.
Example
substring-after("23/01/2012","/")
substring-after("23/01/2012","01")
substring-after("23/01/2012","5")
Output
The output of the above function is as,
"23"
"23/"
" "
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