Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
No Match

/
/
ig

Test String

Substitution

Processing...

Code Generator

Language

Generated Code

use strict; my $str = '08/27/2018 08:55:31 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/27/lekhaigiang.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_85.prproj - Output File: C:\\000\\thebhyt.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:31:19 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:21 08/27/2018 08:55:48 AM : File Successfully Encoded 08/27/2018 08:55:51 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/27/thebhyt.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_86.prproj - Output File: C:\\000\\vhdangian.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:02:55:14 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:01:41 08/27/2018 08:57:31 AM : File Successfully Encoded 08/27/2018 08:57:50 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/27/vhdangian.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_87.prproj - Output File: C:\\000\\caotocbacnam.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:01:04:22 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:37 08/27/2018 08:58:09 AM : File Successfully Encoded 08/27/2018 08:58:19 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/27/caotocbacnam.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_88.prproj - Output File: C:\\000\\thatdayantoan.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:36:01 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:21 08/27/2018 08:58:31 AM : File Successfully Encoded 08/27/2018 08:58:53 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/27/thatdayantoan.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_89.prproj - Output File: C:\\000\\xulyvipham.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:49:10 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:28 08/27/2018 08:59:21 AM : File Successfully Encoded 08/27/2018 08:59:41 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/27/xulyvipham.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_90.prproj - Output File: C:\\000\\hoahoankhonemmut.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:41:23 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:25 08/27/2018 08:59:50 AM : File Successfully Encoded 08/27/2018 08:59:54 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/27/hoahoankhonemmut.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_91.prproj - Output File: C:\\000\\xedulichbocchay.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:31:15 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:24 08/27/2018 09:00:15 AM : File Successfully Encoded 08/27/2018 09:00:18 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/27/xedulichbocchay.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_92.prproj - Output File: C:\\000\\thithe.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:35:20 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:22 08/27/2018 09:00:38 AM : File Successfully Encoded 08/27/2018 09:00:47 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/27/thithe.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_93.prproj - Output File: C:\\000\\cansa.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:43:19 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:24 08/27/2018 09:01:11 AM : File Successfully Encoded 08/27/2018 09:01:22 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/27/cansa.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_94.prproj - Output File: C:\\000\\ngoaihanhtinh.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:39:11 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:21 08/27/2018 09:01:44 AM : File Successfully Encoded 08/27/2018 09:01:48 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/27/ngoaihanhtinh.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_95.prproj - Output File: C:\\000\\tainghechongon.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:29:14 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:20 08/27/2018 09:02:05 AM : File Successfully Encoded 08/27/2018 09:02:19 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/27/tainghechongon.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_96.prproj - Output File: C:\\000\\quantam.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:43:04 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:28 08/27/2018 09:02:34 AM : File Successfully Encoded 08/27/2018 09:02:34 AM : Queue Stopped 08/27/2018 09:02:38 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/27/quantam.mp4 08/27/2018 09:02:38 AM : Queue Stopped 08/27/2018 09:32:13 AM : Queue Started - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_97.prproj - Output File: C:\\000\\huyenuyphongdien.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:58:22 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:21 08/27/2018 09:32:34 AM : File Successfully Encoded 08/27/2018 09:32:34 AM : Queue Stopped 08/27/2018 09:32:38 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/26/huyenuyphongdien.mp4 08/27/2018 09:32:38 AM : Queue Stopped 08/27/2018 09:38:51 AM : Queue Started 08/27/2018 09:39:04 AM : Queue Paused 08/27/2018 09:39:08 AM : Queue Started - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_98.prproj - Output File: C:\\000\\xavinhtrinh.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:42:20 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:29 08/27/2018 09:39:21 AM : File Successfully Encoded 08/27/2018 09:39:22 AM : Queue Paused 08/27/2018 09:39:27 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/26/xavinhtrinh.mp4 08/27/2018 09:39:27 AM : Queue Stopped 08/27/2018 09:39:37 AM : Queue Started 08/27/2018 09:39:47 AM : Queue Paused 08/27/2018 09:39:51 AM : Queue Started 08/27/2018 09:39:55 AM : Queue Paused 08/27/2018 09:39:58 AM : Queue Started 08/27/2018 09:40:03 AM : Queue Paused 08/27/2018 09:40:13 AM : Queue Started 08/27/2018 09:40:17 AM : Queue Paused 08/27/2018 09:40:21 AM : Queue Started - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_299.prproj - Output File: C:\\000\\vinhthanh.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:56:02 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:51 08/27/2018 09:40:29 AM : File Successfully Encoded 08/27/2018 09:40:33 AM : Queue Paused 08/27/2018 09:40:34 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/26/vinhthanh.mp4 08/27/2018 09:40:35 AM : Queue Started 08/27/2018 09:40:37 AM : Queue Paused 08/27/2018 09:40:38 AM : Queue Started - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_300.prproj - Output File: C:\\000\\doithoaibhyt.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:37:21 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:27 08/27/2018 09:40:56 AM : File Successfully Encoded 08/27/2018 09:41:25 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/26/doithoaibhyt.mp4 08/27/2018 09:41:25 AM : Queue Paused 08/27/2018 09:42:25 AM : Queue Started 08/27/2018 09:42:26 AM : Queue Paused 08/27/2018 09:42:28 AM : Queue Started 08/27/2018 09:42:28 AM : Queue Paused 08/27/2018 09:42:29 AM : Queue Started - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_301.prproj - Output File: C:\\000\\giaothongthuy.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:47:00 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:28 08/27/2018 09:42:54 AM : File Successfully Encoded 08/27/2018 09:43:01 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/26/giaothongthuy.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_302.prproj - Output File: C:\\000\\nhonnghia.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:47:00 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:32 08/27/2018 09:43:32 AM : File Successfully Encoded 08/27/2018 09:43:43 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/26/nhonnghia.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_303.prproj - Output File: C:\\000\\ctdthotnot.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:35:05 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:17 08/27/2018 09:44:00 AM : File Successfully Encoded 08/27/2018 09:44:20 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/26/ctdthotnot.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_304.prproj - Output File: C:\\000\\cfdongvat.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:48:01 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:18 08/27/2018 09:44:39 AM : File Successfully Encoded 08/27/2018 09:44:57 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/26/cfdongvat.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_305.prproj - Output File: C:\\000\\cumheo.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:23:00 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:14 08/27/2018 09:45:12 AM : File Successfully Encoded 08/27/2018 09:45:21 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/26/cumheo.mp4 - Source File: C:\\Users\\tdngan\\AppData\\Local\\Temp\\work_306.prproj - Output File: C:\\000\\trienlam5g.mp4 - Preset Used: canthotv - Video: 1024x576 (1,0), 25 fps, Progressive, Software Encoding, 00:00:49:03 - Audio: AAC, 112 kbps, 48 kHz, Stereo - Bitrate: VBR, 2 pass, Target 1,00 Mbps, Max 1,50 Mbps - Encoding Time: 00:00:32 08/27/2018 09:45:44 AM : File Successfully Encoded 08/27/2018 09:45:44 AM : Queue Stopped 08/27/2018 09:45:50 AM : FTP - ftp://media3.canthotv.vn/ngan/2018/TH/08/26/trienlam5g.mp4 '; my $regex = qr/(?:(?:https?|ftp|file):\/\/|www\.|ftp\.)(?:\([-A-Z0-9+&@#\/%=~_|$?!:,.]*\)|[-A-Z0-9+&@#\/%=~_|$?!:,.])*(?:\([-A-Z0-9+&@#\/%=~_|$?!:,.]*\)|[A-Z0-9+&@#\/%=~_|$])/ip; my $subst = '$1'; my $result = $str =~ s/$regex/$subst/rg; print "The result of the substitution is' $result\n";

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Perl, please visit: http://perldoc.perl.org/perlre.html