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Compare two strings in Julia - cmp() Method

Last Updated : 26 Mar, 2020
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The cmp() is an inbuilt function in julia which is used to return 0 if the both specified strings are having the same length and the character at each index is the same in both strings, return -1 if a is a prefix of b, or if a comes before b in alphabetical order and return 1 if b is a prefix of a, or if b comes before a in alphabetical order.
Syntax: cmp(a::AbstractString, b::AbstractString) Parameters:
  • a::AbstractString: Specified first string
  • b::AbstractString: Specified second string
Returns: It returns 0 if the both specified strings are having the same length and the character at each index is the same in both strings, return -1 if a is a prefix of b, or if a comes before b in alphabetical order and return 1 if b is a prefix of a, or if b comes before a in alphabetical order.
Example 1: Python 
# Julia program to illustrate 
# the use of String cmp() method

# Comparing two strings and 
# getting the values 0, -1 or 1
println(cmp("abc", "abc"))
println(cmp("a", "b"))
println(cmp("c", "b"))
println(cmp("ab", "abc"))
println(cmp("abc", "ab"))
println(cmp("ab", "ac"))
Output: 
0
-1
1
-1
1
-1
Example 2: Python 
# Julia program to illustrate 
# the use of String cmp() method

# Comparing two strings and 
# getting the values 0, -1 or 1
println(cmp("1", "2"))
println(cmp("1", "1"))
println(cmp("12", "21"))
println(cmp("123", "23"))
println(cmp("31", "23"))
Output: 
-1
0
-1
-1
1

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