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

/
/
gm

Test String

Code Generator

Language

Generated Code

$re = '/^[^\s]+\s[^\s]+/m'; $str = 'Monika Olah Richárd Bai Like · Reply · March 24 at 4:45pm Kecskés Dóra Edina Molnar Attila Like · Reply · March 24 at 4:16pm Manole Ioana Dana Marinescu Like · Reply · 2 · March 24 at 5:09pm Norbert Kosa Sinko Bela Like · Reply · 1 · March 28 at 9:37am AsiYe Asy KeJal SeRna Like · Reply · 1 · March 27 at 4:59pm Banu Razvan Ana Banu Like · Reply · 1 · March 26 at 11:40pm Timeia Denysa Batcau Denisa Like · Reply · 1 · March 26 at 11:36pm Cristina Visalon Eugen Comanescu Like · Reply · 1 · March 26 at 11:21pm Irina Paun Paula Cristea Like · Reply · 1 · March 26 at 11:31am Oneth Ciprian Onet Daniela Carmen Like · Reply · 1 · March 26 at 12:46am Sorina Radulescu Tatiana Sorina Like · Reply · 1 · March 25 at 11:59pm Neculay Neculayp Caty Catyp Like · Reply · 1 · March 25 at 4:01pm Lavinia Popescu Lapadat Liviu Like · Reply · 1 · March 25 at 12:51pm Georgeta Pintilie Octavian Pintilie Like · Reply · 1 · March 25 at 12:30pm Elena Petrescu Victor Petrescu Like · Reply · 1 · March 25 at 12:29pm Doina Paraschiv Petre Paraschiv Like · Reply · 1 · March 25 at 12:27pm Adrian Ovreiu Ioana Ovreiu Like · Reply · 1 · March 25 at 12:26pm Stan Papusa Crax Prax Like · Reply · 1 · March 25 at 11:20am Cornelia Ionescu Sorin Soury Like · Reply · 1 · March 25 at 10:45am Daniel Filigeanu Prejmerean Anita Like · Reply · 1 · March 25 at 10:44am Nicolae Georgiana Licuta Stan Like · Reply · 1 · March 25 at 9:23am Ramo Maryam Gabriela Andrei Like · Reply · 1 · March 25 at 9:19am Dana Daniela Lucica Lazar Like · Reply · 1 · March 25 at 1:11am Lucica Lazar Paun Dorin Petru Like · Reply · 1 · March 25 at 12:40am Cristian Murguleț Narcis Gabriel Like · Reply · 1 · March 24 at 11:15pm Rodica Bucur Ionut Richard G Like · Reply · 1 · March 24 at 10:53pm Clavi Mpo Elena Lenti Like · Reply · 1 · March 24 at 9:57pm Flory Florina Adriana Eco Like · Reply · 1 · March 24 at 9:01pm Strempel Henrietta Norbert Ciato Like · Reply · 1 · March 24 at 8:31pm Mihai Marele Bfx Bufu Like · Reply · 1 · March 24 at 7:11pm Mariana Cioranu Petrica Cioranu Like · Reply · 1 · March 24 at 6:02pm Dragusan Tudorel Elena Elena Like · Reply · 1 · March 24 at 5:32pm Selegean Nicoleta Porumbei Albi Selegean Like · Reply · 1 · March 24 at 5:12pm Monika Erzsebet Tamas Szabo Like · Reply · March 31 at 11:56pm Ana Maria Goia Dan Goia Like · Reply · March 31 at 7:34pm Alexandru Gulie anka anca Like · Reply · March 30 at 12:58am Maria Corodescu Popp Costel Dan Corodescu Like · Reply · March 29 at 11:27pm Anduta Si Maruta Vali Vali Like · Reply · March 29 at 7:59pm Petruta Mire Ella Trancan Stefania Like · Reply · March 29 at 9:28am Diana Uricu Razvan Gulie Like · Reply · March 29 at 3:02am Preda Nicoleta Alina Mary Laurentiu Like · Reply · March 29 at 12:56am Gabriela Vasilescu Bily Moky Like · Reply · March 28 at 9:19pm Sinko Bela Norbert Kosa Like · Reply · March 28 at 8:05pm Ioan Bors Stelian Gheorghe Like · Reply · March 28 at 7:54pm Moni Elena Eftaliea Mara Like · Reply · March 28 at 5:46pm Nella Ella Anca Cristina Like · Reply · March 28 at 3:00pm Dorina Balteanu Bogdan Sabangeanu Like · Reply · March 28 at 2:59pm Berinde Vladut Vlad Berinde Like · Reply · March 28 at 1:35pm Iosif Stoian Florentina Flory Like · Reply · March 28 at 10:17am Iulianna Sabo Denisa Bui Like · Reply · March 28 at 9:31am Bleotu Macrina Bleotu Gheorghe Like · Reply · March 28 at 9:10am Ion Cretu Dumitrache Cami Dumitrache Like · Reply · March 28 at 1:27am Carmen Ionela Radian Nicolae Like · Reply · March 28 at 1:06am Cristian Sorin Carmen-Ionela Nicolae Like · Reply · March 28 at 12:54am Cami Dumitrache Dumy Nick Like · Reply · March 28 at 12:47am Nicolae Cristi Crina Toitan Like · Reply · March 28 at 12:41am Nutu Marius Carmen Ionela Like · Reply · March 28 at 12:34am Ile Ilenutza Dan F. Dan Like · Reply · March 28 at 12:24am Marin Nicolae Ioana Nicolae Like · Reply · March 28 at 12:21am Ioana Nicolae Marin Nicolae Like · Reply · March 28 at 12:16am Dumy Nick Cami Dumitrache Like · Reply · March 28 at 12:11am Carmen Nicolae Radian Nicolae Like · Reply · March 28 at 12:05am Marina Cioceanu Liviu Moise Like · Reply · March 28 at 12:04am Ella Ellena Catalin Cozma Like · Reply · March 27 at 11:59pm Mircea Mircea Geta Geta Like · Reply · March 27 at 11:52pm Radian Nicolae Carmen-Ionela Nicolae Like · Reply · March 27 at 11:49pm Emil Hossu Mihaela Nistor Like · Reply · March 27 at 11:46pm Geta Geta Mircea Mircea Like · Reply · March 27 at 11:32pm Fish Dan Paula Gabriela Like · Reply · March 27 at 11:26pm Ungurean Mihai Maria Ungurean Like · Reply · March 27 at 11:16pm Doina Ana Butman Gheorghiu Paul Like · Reply · March 27 at 11:09pm Florin Hossu Octavia Durus, Like · Reply · March 27 at 10:48pm Victor Zota Rose Marya Like · Reply · March 27 at 10:47pm Ileana Lala Catalin Cozma Like · Reply · March 27 at 10:40pm Petrina Mani Eva Darla Like · Reply · March 27 at 10:39pm Tiberiu Petrica Veronik Ungurean Like · Reply · March 27 at 10:24pm Melinceanu Adrian Tea Ada Hari Ioakeimidis Like · Reply · March 27 at 10:20pm Tea Ada Hari Ioakeimidis Melinceanu Adrian Like · Reply · March 27 at 10:18pm Elena Maria Veronik Ungurean Like · Reply · March 27 at 10:09pm Mara Pia Giorgiana Gio Like · Reply · March 27 at 10:02pm Ioana Alexandrescu Ion Oprea Like · Reply · March 27 at 9:56pm Adriana Lautarescu Ungureanu Gabriela Like · Reply · March 27 at 9:53pm Catalin Cozma Ileana Lala Like · Reply · March 27 at 9:49pm Steluta Norocoasa Miti Miky Like · Reply · March 27 at 9:43pm Ion Oprea Ioana Alexandrescu Like · Reply · March 27 at 9:42pm Skill Zoor Mihai Raliu Like · Reply · March 27 at 9:39pm Dragos Victor Rose Marya Like · Reply · March 27 at 9:17pm Ioan C. Ioan Daff Dan Like · Reply · March 27 at 9:11pm Antonio Bogdan Cioroiu Flori Mimi Like · Reply · March 27 at 9:11pm Stredie Lydia Mogos Rusalina Like · Reply · March 27 at 9:07pm Flory Maddy Alex Cîrstocea Like · Reply · March 27 at 9:04pm Mariana Baroiu Antonio Bogdan Like · Reply · March 27 at 8:55pm Dany Grasu Raisa Georgiana Like · Reply · March 27 at 8:48pm Ella Dan Adriana Chereches Like · Reply · March 27 at 8:41pm Rose Marya Dragos Victor Like · Reply · March 27 at 8:19pm Veronik Ungurean Tiberiu Petrica Like · Reply · March 27 at 7:57pm Giorgiana Gio Mara Pia Like · Reply · March 27 at 7:43pm Maria Ille Mircea Mircea Like · Reply · March 27 at 7:24pm Ungureanu Gabriela Adriana Lautarescu Like · Reply · March 27 at 6:40pm Mada Madalynutza Madalina Caty Catyp Like · Reply · March 27 at 5:56pm Iliana Mihaela Ionut Cretu Like · Reply · March 27 at 4:59pm · Edited Dragos Zota Marioara Zota Like · Reply · March 27 at 4:52pm Gela Geluta Stefan Stefan Like · Reply · March 27 at 4:19pm Mada Madutza Bogdan Bobo Like · Reply · March 27 at 4:08pm Toni Pre Mona Simu Like · Reply · March 27 at 4:03pm'; preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0); // Print the entire match result var_dump($matches);

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 PHP, please visit: http://php.net/manual/en/ref.pcre.php