红宝石 |符号 =~函数
Symbol#=~() : =~()是一个 Symbol 类方法,它 =~es 带有符号的模式。
Syntax: Symbol.=~()
Parameter: Symbol values
Return: position – if pattern =~es the Symbol otherwise return nil
示例 #1:
# Ruby code for Symbol.=~() method
# declaring Symbol
a = :aBcDeF
# declaring Symbol
b = :"\u{e4 f6 fc}"
# declaring Symbol
c = :ABCDEF
# Symbol
puts "Symbol a : #{a}\n\n"
puts "Symbol b : #{b}\n\n"
puts "Symbol c : #{c}\n\n\n\n"
# =~ form
puts "Symbol a =~ form : #{a.=~(/D/)}\n\n"
puts "Symbol b =~ form : #{b.=~(/o/)}\n\n"
puts "Symbol c =~ form : #{c.=~(/C/)}\n\n"
输出 :
Symbol a : aBcDeF
Symbol b : äöü
Symbol c : ABCDEF
Symbol a =~ form : 3
Symbol b =~ form :
Symbol c =~ form : 2
示例 #2:
# Ruby code for Symbol.=~() method
# declaring Symbol
a = :geeks
# declaring Symbol
b = :"\u{e5 f6 f3}"
# declaring Symbol
c = :GEEKS
# Symbol
puts "Symbol a : #{a}\n\n"
puts "Symbol b : #{b}\n\n"
puts "Symbol c : #{c}\n\n\n\n"
# =~ form
puts "Symbol a =~ form : #{a.=~(/g/)}\n\n"
puts "Symbol b =~ form : #{b.=~(/a/)}\n\n"
puts "Symbol c =~ form : #{c.=~(/EE/)}\n\n"
输出 :
Symbol a : geeks
Symbol b : åöó
Symbol c : GEEKS
Symbol a =~ form : 0
Symbol b =~ form :
Symbol c =~ form : 1