Ruby | StringScanner scan_until function

Ruby | StringScanner scan function

Last Updated : 12 Dec, 2019

StringScanner#scan() : scan() is a StringScanner class method which tries to match with pattern at the current position.

Syntax: StringScanner.scan() Parameter: StringScanner values Return: matched string otherwise return false

Example #1 :

Ruby

# Ruby code for StringScanner.scan() method

# loading StringScanner
require 'strscan'

# declaring StringScanner 
c = StringScanner.new("Mon Sep 12 2018 14:39")
 
# scan() method
c.scan(/\w+/)

puts "String Scanner result of c.scan() form : #{c.pos()}\n\n"

# scan() method
c.scan(/\s+/)

puts "String Scanner result of c.scan() form : #{c.pos()}\n\n"

Output :

String Scanner result of c.scan() form : 3

String Scanner result of c.scan() form : 4

Example #2 :

Ruby

# Ruby code for StringScanner.scan() method

# loading StringScanner
require 'strscan'

# declaring StringScanner 
c = StringScanner.new("h ello geeks")
 
# scan() method
c.scan(/\w+/)

puts "String Scanner result of c.scan() form : #{c.pos()}\n\n"

# scan() method
c.scan(/\s+/)

puts "String Scanner result of c.scan() form : #{c.pos()}\n\n"

Output :

String Scanner result of c.scan() form : 1

String Scanner result of c.scan() form : 2

Ruby | StringScanner scan_until function

M

mayank5326

Improve

Article Tags :

Similar Reads

Ruby | StringScanner scan_full function

StringScanner#scan_full() : scan_full() is a StringScanner class method which checks whether the given pattern is matched from the current scan pointer Syntax: StringScanner.scan_full() Parameter: StringScanner values pattern advance_pointer return_pointer Return: true if the given pattern is matche

Ruby | StringScanner scan_until function

StringScanner#scan_until() : scan_until() is a StringScanner class method which scans the string until the pattern is matched Syntax: StringScanner.scan_until() Parameter: StringScanner values Return: the substring up to and including the end of the match Example #1 : Ruby # Ruby code for StringScan

Ruby | StringScanner skip function

StringScanner#skip() : skip() is a StringScanner class method which skip over the given pattern beginning with the scan pointer. Syntax: StringScanner.skip() Parameter: StringScanner values pattern Return: skip over the given pattern beginning with the scan pointer. Example #1 : Ruby # Ruby code for

Ruby | StringScanner string function

StringScanner#string() : string() is a StringScanner class method which returns the string being scanned. Syntax: StringScanner.string() Parameter: StringScanner values Return: the string being scanned. Example #1 : Ruby # Ruby code for StringScanner.string() method # loading StringScanner require '

Ruby | StringScanner string=() function

StringScanner#string=() : string=() is a StringScanner class method which Changes the string being scanned to "str" and resets the scanner Syntax: StringScanner.string=() Parameter: StringScanner values Return: "str" Example #1 : Ruby # Ruby code for StringScanner.string=() method # loading StringSc

Ruby | StringScanner pos= function

StringScanner#pos=() : pos=() is a StringScanner class method which sets the byte position of the scan pointer. Syntax: StringScanner.pos=() Parameter: StringScanner values Return: sets the byte position of the scan pointer. Example #1 : Ruby # Ruby code for StringScanner.pos=() method # loading Str

Ruby | StringScanner pos function

StringScanner#pos() : pos() is a StringScanner class method which returns the byte position of the scan pointer Syntax: StringScanner.pos() Parameter: StringScanner values Return: the byte position of the scan pointer Example #1 : Ruby # Ruby code for StringScanner.pos() method # loading StringScann

Ruby | StringScanner eos? function

StringScanner#eos?() : eos?() is a StringScanner class method which checks whether the scan pointer is at the end of the string. Syntax: StringScanner.eos?() Parameter: StringScanner values Return: true if the scan pointer is at the end of the string otherwise return false Example #1 : Ruby # Ruby c

Ruby | StringScanner search_full function

StringScanner#search_full() : search_full() is a StringScanner method which scans the string until the pattern is matched. Syntax: StringScanner.search_full() Parameter: StringScanner values pattern advance_pointer return_pointer Return: matched string if return_string_p is true otherwise return the

Ruby | StringScanner rest function

StringScanner#rest() : rest() is a StringScanner class method which returns the â€œrestâ€ of the string (i.e. everything after the scan pointer). Syntax: StringScanner.rest() Parameter: StringScanner values Return: the â€œrestâ€ of the string (i.e. everything after the scan pointer). Example #1 : Ruby # R