Ruby | Regexp new() function

Ruby | Regexp options() function

Last Updated : 17 Dec, 2019

Regexp#options() : options() is a Regexp class method which returns the set of bits corresponding to the options used when creating the Regular Expression.

Syntax: Regexp.options() Parameter: Regexp values Return: set of bits corresponding to the options used when creating the Regular Expression.

Example #1 :

# Ruby code for Regexp.options() method

# declaring Regexp value
reg_a = /a/

# declaring Regexp value
reg_b = /\xa1\xa2/e

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


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

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

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

Output :

Regexp options form : 0

Regexp options form : 16

Regexp options form : 0

Example #2 :

# Ruby code for Regexp.options() method

# declaring Regexp value
reg_a = /geeks/ix

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

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


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

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

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

Output :

Regexp options form : 3

Regexp options form : 0

Regexp options form : 0

Ruby | Regexp new() function

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