红宝石 |符号匹配函数
Symbol#match() : match()是一个符号类方法,它将模式与符号匹配。
Syntax: Symbol.match()
Parameter: Symbol values
Return: position – if pattern matches the Symbol otherwise return nil
示例 #1:
# Ruby code for Symbol.match() 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"
# match form
puts "Symbol a match form : #{a.match(/D/)}\n\n"
puts "Symbol b match form : #{b.match(/o/)}\n\n"
puts "Symbol c match form : #{c.match(/C/)}\n\n"
输出 :
Symbol a : aBcDeF
Symbol b : äöü
Symbol c : ABCDEF
Symbol a match form : 3
Symbol b match form :
Symbol c match form : 2
示例 #2:
# Ruby code for Symbol.match() 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"
# match form
puts "Symbol a match form : #{a.match(/g/)}\n\n"
puts "Symbol b match form : #{b.match(/a/)}\n\n"
puts "Symbol c match form : #{c.match(/EE/)}\n\n"
输出 :
Symbol a : geeks
Symbol b : åöó
Symbol c : GEEKS
Symbol a match form : 0
Symbol b match form :
Symbol c match form : 1