Characters and Strings

Characters



In [129]:

    
char1 = 'h'









    Out[129]:





'h'



In [130]:

    
#Convertion

char2 = 'a'
typeof(Int(char2))









    Out[130]:





Int64

Strings



In [131]:

    
str = "Domo arigato "
str2 = "Mr. Roboto"
str3 = str * str2
println(str3)
#Indexing
println(str[3])
println(str3[end])
println(str3[end-1])
println(str3[11:14])









    



Domo arigato Mr. Roboto
m
o
t
to M

String Interpolation



In [132]:

    
greet = "Hello"
whom = "world"
print(string(greet, ", ", whom, ".\n"))
#Another way to do the above 
println("$greet, $whom")
#interpolating expresions into strings
println("1 + 2 = $(1 + 2)")
#if you want to use the liteal symbol $ you can use a backslash
"Y mis \$50,000 pesos que?"









    



Hello, world.
Hello, world
1 + 2 = 3






    Out[132]:





"Y mis \$50,000 pesos que?"

Common Operations



In [133]:

    
println("brain" == "drain")
println("gin" < "tequila")
println("Hello, world." != "Goodbye, world.")
println("1 + 2 = 3" == "1 + 2 = $(1 + 2)")

#You can check where a certain character is in a string
println(search("Pterodactyl",'y'))
println(search("Pterodactyl",'z'))

#You can use contain to check if a string is whithin another string
println(contains("Hello, world.", "world"))









    



false
true
true
true
10
0
true

Regular Expressions



In [134]:

    
x = r"^\s*(?:#|$)"

typeof(x)









    Out[134]:





Regex



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