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* XC=BASIC
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◇C++, ◇Clojure, ◇Scala
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| find()
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s = "joker"
print(s.find("ke")) # 2
print(s.find("xxx")) # -1
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import std/strutils
let s = "joker"
echo s.find("ke") # 2
echo s.find("xxx") # -1
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| toLowerAscii(), toUpperAscii()
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print('a'.upper()) # A
print('A'.lower()) # a
print("adam".upper()) # ADAM
print("LASZLO".lower()) # laszlo
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import std/strutils # strip, split, join
echo 'a'.toUpperAscii() # A
echo 'A'.toLowerAscii() # a
echo "adam".toUpperAscii() # ADAM
echo "LASZLO".toLowerAscii() # laszlo
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𝥶More details here.
| toLower(), toUpper()
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print('á'.upper()) # Á
print('É'.lower()) # é
print("ádám".upper()) # ÁDÁM
print("LÁSZLÓ".lower()) # lászló
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import std/unicode # Rune
echo "á".toUpper() # Á
echo "É".toLower() # é
echo "ádám".toUpper() # ÁDÁM
echo "LÁSZLÓ".toLower() # lászló
let
c: Rune = "á".runeAt(0)
d: Rune = "É".runeAt(0)
echo c.toUpper() # Á
echo d.toLower() # é
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𝥶More details here.
| startsWith(), endsWith()
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s = "https://example.com/01.png"
print(s.startswith("https://")) # True
print(s.endswith(".png")) # True
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import std/strutils
let s = "https://example.com/01.png"
echo s.startsWith("https://") # true
echo s.endsWith(".png") # true
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| replace()
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s = "cat dog cat cat"
print(s.replace("cat", "kitten"))
# kitten dog kitten kitten
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import std/strutils
let s = "cat dog cat cat"
echo s.replace("cat", "kitten")
# kitten dog kitten kitten
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| split()
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line = "10:bob:/home/bob"
print(line.split(":")) # ['10', 'bob', '/home/bob']
########
s = "aa bb\t\tcc"
print(s.split(" ")) # ['aa', '', '', 'bb\t\tcc']
# use this:
print(s.split()) # ['aa', 'bb', 'cc']
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import std/strutils
let line = "10:bob:/home/bob"
echo line.split(":") # @["10", "bob", "/home/bob"]
# #######
let s = "aa bb\t\tcc"
echo s.split() # @["aa", "", "", "bb", "", "cc"]
# use this:
echo s.splitWhitespace() # @["aa", "bb", "cc"]
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| join()
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li = ["aa", "bb", "cc"]
print(":".join(li)) # aa:bb:cc
primes = [2, 3, 5, 7]
print(" -> ".join([str(n) for n in primes]))
# 2 -> 3 -> 5 -> 7
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import std/strutils
let li = @["aa", "bb", "cc"]
echo li.join(":") # aa:bb:cc
let primes = @[2, 3, 5, 7]
echo primes.join(" -> ")
# 2 -> 3 -> 5 -> 7
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𝥶Notice that in Nim, you can join any type of seq. Nim will apply the `$` operator on each element of the seq.
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