Ruby | Regexp ==() function

Ruby | Regexp names() function

Last Updated : 11 Jun, 2021

Regexp#names() : names() is a Regexp class method which produces a formatted string-version of regular expression.

Syntax: Regexp.names()
Parameter: Regexp values
Return: a formatted string-version of regular expression

Example #1 :

Ruby

# Ruby code for Regexp.names() method

# declaring Regexp value
reg_a = /a/

# declaring Regexp value
reg_b = /geeks/

# declaring Regexp value
reg_c =/(?<go>.)(?<for>.)(?<it>.)/


#  names method
puts "Regexp names form : #{reg_a.names}\n\n"

puts "Regexp names form : #{reg_b.names}\n\n"

puts "Regexp names form : #{reg_c.names}\n\n"

Output :

Regexp names form : []

Regexp names form : []

Regexp names form : ["go", "for", "it"]

Example #2 :

Ruby

# Ruby code for Regexp.names() method

# declaring Regexp value
reg_a = /geeks/

# declaring Regexp value
reg_b = /(?<hi>.)(?<there>.)/

# declaring Regexp value
reg_c = /(?<i>.)(?<can>.)(?<code>.)/


#  names method
puts "Regexp names form : #{reg_a.names}\n\n"

puts "Regexp names form : #{reg_b.names}\n\n"

puts "Regexp names form : #{reg_c.names}\n\n"

Output :

Regexp names form : []

Regexp names form : ["hi", "there"]

Regexp names form : ["i", "can", "code"]

Ruby | Regexp ==() function

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