txt 2 re
knowing is obsolete :: regular expression generator (perl php python java javascript coldfusion c c++ ruby vb vbscript j# c# c++.net vb.net)
 
 
 
Enter the string that you want to use a regular expression on:
1
   
 
Select the elements that you want to extract to run regular expression generator:
2
0
c 0
d0
8
c 8
d8
day
int08
:
c :
D
c D
wD
e
c e
we
c
c c
wc
varDec
wordDec
monthDec
:
c :
2
c 2
d2
0
c 0
d0
1
c 1
d1
7
c 7
d7
day17
year2017
int2017
ddmmmyyyy08:Dec:2017
_
c _
ws_
"
c "
T
c T
wT
h
c h
wh
i
c i
wi
s
c s
ws
varThis
wordThis
_
c _
ws_
i
c i
wi
s
c s
ws
varis
wordis
_
c _
ws_
a
c a
wa
n
c n
wn
varan
wordan
_
c _
ws_
E
c E
wE
x
c x
wx
a
c a
wa
m
c m
wm
p
c p
wp
l
c l
wl
e
c e
we
varExample
wordExample
!
c !
"
c "
string"This_is_an_Example!"
< Source String
What to click?  extract any integer in this position
extract this integer (2006) in this position
 
3Ruby regular expression program that extracts the selected elements from the entered string:
Perl PHP Python Java Javascript ColdFusion C C++ [Ruby] VB VBScript J#.net C#.net C++.net VB.net 
 
# URL that generated this code:
# http://txt2re.com/index-ruby.php3?s=08:Dec:2017%20%22This%20is%20an%20Example!%22&13

#!/usr/bin/ruby
txt='08:Dec:2017 "This is an Example!"'

re1='((?:(?:[0-2]?\\d{1})|(?:[3][01]{1})))(?![\\d])'	# Day 1

re=(re1)
m=Regexp.new(re,Regexp::IGNORECASE);
if m.match(txt)
    day1=m.match(txt)[1];
    puts "("<<day1<<")"<< "\n"
end

#-----
# Paste the code into a new ruby file.
# $ ruby x.ruby
#-----
 
 
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