Characters and strings
'x'
typeof(ans)
Int('x')
Char(120)
isvalid(Char, 0x110000)
isvalid()
'A' < 'a'
Int('A')
Int('a')
'A' <= 'a' <= 'z'
str = "Hello, world.\n"
"""Contains "quote" characters"""
str[begin]
str[1]
str[6]
str[end]
str[end-1]
str[4:9]
typeof(SubString(str, 1, 5))
firstindex(str)
lastindex(str)
s = "\u2200 x \u2203 y"
s[1]
s[2]
s[4]
nextind(s, 1)
nextind(s, 5)
stri = """
Hello you,
Small text.
Cheers,
Me
"""
Regular expressions
r"^he"
typeof(ans)
occursin(r"^he", "hello")
m = match(r"^he", "hello")
m.match
m.captures
Concatenation
greet = "Hello"
whom = "you"
string(greet, ", ", whom, ".\n")
greet * ", " * whom * ".\n"
"$greet, $whom.\n"
"1 + 2 = $(1 + 2)"