Regex 101 Exercise I9 - Count the number of matches

Regex 101 Exercise I9 - Count the number of matches

Given a string like:

# # 4 6 # # 7 # 45 # 43 # 65 56 2 # 4345 # # 23

 

Count how many numbers there are in this string

Comments

• Anonymous
  February 28, 2006
  perl -ne "$a++ while m/d+/g; print $a;"

• Anonymous
  February 28, 2006
  Spoiler warning... three different ways to do it
  
  http://www.geocities.com/mvaneerde/regex-i9.txt

• Anonymous
  February 28, 2006
  Here's my entry in the Obfuscated Perl contest:
  perl -ne "print 0+@{[/d+/g]}"

• Anonymous
  February 28, 2006
  Obfuscated Perl entry #2... mmm... signal-to-noise ratio of 7-to-1 ;)
  
  perl -pe "$_=@{[/d+/g]}"

• Anonymous
  February 28, 2006
  er, 1-to-7 (oops)

• Anonymous
  February 28, 2006
  Thought of two more ways to do it... #4 and #5 on
  http://www.geocities.com/mvaneerde/regex-i9.txt

• Anonymous
  March 01, 2006
  TrackBack From:http://sheva.cnblogs.com/archive/2006/03/01/340666.html

• Anonymous
  March 06, 2006
  
  
  
  
  
  Regex 101 Exercise I9 - Count the number of matches
  Given a string like:
  # # 4 6 # # 7 #...

• Anonymous
  March 07, 2006
  TrackBack From:http://sheva.cnblogs.com/archive/0001/01/01/340666.html

• Anonymous
  June 07, 2009
  PingBack from http://greenteafatburner.info/story.php?id=2228

• Anonymous
  June 08, 2009
  PingBack from http://quickdietsite.info/story.php?id=3973

• Anonymous
  June 17, 2009
  PingBack from http://pooltoysite.info/story.php?id=3220