Swift Basics-String

(1) Traverse

(2) Length

(3) Splicing

(4) interpolation

(5) Case

(6) Trim

(7) Split

...... Wait a minute

2. var a = "Hello"
4. var B = String ()
8. A. IsEmpty
10. b = "xxxxxyyyyy"
12. b. IsEmpty
16. Traverse
18. For C in B {
20. println (c)
22. }
26. Calculate length
28. Countelements (b)
32. Stitching
34. A + = b
38. Interpolated values
40. var Strss = "A: \ (a), B: \ (b)"
44. Comparison
46. Let str_a = "abc"
48. Let Str_b = "abc"
50. Str_a = = Str_b
54. Dictionary order Comparison
56. Let Str_c = "Abd"
58. Str_b < Str_c
62. Front and rear prefix
64. Str_b. Hasprefix ("a")
66. Str_b. Hassuffix ("C")
70. Uppercase and lowercase conversions
72. Str_b. uppercasestring
74. Str_b. lowercasestring
78. Capitalize the first letter of each word
80. Let str_d = ' I am a good person '
82. Str_d. capitalizedstring
86. Trim operation
90. var s1 = "xx xx"
92. S1. Stringbytrimmingcharactersinset (Nscharacterset. Whitespacecharacterset ())
94. S1. Stringbytrimmingcharactersinset (Nscharacterset (charactersinstring:""))
98. Split operation
102. var s2 = "I am a good boy"
104. S2. componentsseparatedbystring ("")
106. S2. Componentsseparatedbycharactersinset (Nscharacterset (charactersinstring: "a"))

Swift Basics-String