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Find the previous occurrence of pattern in string in Julia – findprev() Method

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The findprev() is an inbuilt function in julia which is used to return the previous occurrence of the specified pattern in specified string starting from specified position.
Syntax: findnprev(pattern::AbstractString, string::AbstractString, start::Integer) Parameters:
  • pattern::AbstractString: Specified pattern
  • string::AbstractString: Specified string
  • start::Integer: It is the start position before which matching going to be performed.
Returns: It returns the previous occurrence of the specified pattern in a specified string starting from the specified position.
Example 1:
# Julia program to illustrate 
# the use of String findprev() method
   
# Here the pattern is "g", String is
# "geeks" and position is 3
Println(findprev("g", "geeks", 3))
  
# Here the pattern is "G", String is
# "GeeksforGeeks" and position is 10
Println(findprev("G", "GeeksforGeeks", 10))
  
# Here the pattern is "for", String is
# "GeeksforGeeks" and position is 8
Println(findprev("for", "GeeksforGeeks", 8))
  
# Here the pattern is "k", String is
# "GeeksforGeeks" and position is 7
Println(findprev("k", "GeeksforGeeks", 7))

                    
Output: Example 2:
# Julia program to illustrate 
# the use of String findprev() method
   
# Here the pattern is "23", String is
# "12345" and position is 5
Println(findprev("23", "12345", 5))
  
# Here the pattern is "23", String is
# "12345" and position is 4
Println(findprev("23", "12345", 4))
  
# Here the pattern is "3", String is
# "123123" and position is 6
Println(findprev("3", "123123", 6))
  
# Here the pattern is "123", String is
# "123123123" and position is 7
Println(findprev("123", "123123123", 7))

                    
Output:

Last Updated : 26 Mar, 2020
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