Ruby | Regexp to_s() function

Regexp#to_s() : to_s() is a Regexp class method which returns the string containing the regular expression with the same semantics.

Syntax: Regexp.to_s()

Parameter: Regexp values

Return: string containing the regular expression with the same semantics.

Example #1 :

# Ruby code for Regexp.to_s() method

# declaring Regexp value
reg_a = /a/

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

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

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

Output :

Regexp to_s form : (?-mix:a)

Regexp to_s form : (?-mix:\xa1\xa2)

Example #2 :

# Ruby code for Regexp.to_s() method

# declaring Regexp value
reg_a = /geeks/ix

# declaring Regexp value
reg_b = /(.)(.)/

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

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

Output :

Regexp to_s form : (?ix-m:geeks)

Regexp to_s form : (?-mix:(.)(.))