Regular Expressions 101

Save & Share

Flavor

  • PCRE2 (PHP >=7.3)
  • PCRE (PHP <7.3)
  • ECMAScript (JavaScript)
  • Python
  • Golang
  • Java 8
  • .NET 7.0 (C#)
  • Rust
  • Regex Flavor Guide

Function

  • Match
  • Substitution
  • List
  • Unit Tests

Tools

Sponsors
There are currently no sponsors. Become a sponsor today!
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

/
/
gmi

Test String

Code Generator

Language

Generated Code

$re = '/INSERT INTO[\s]*(.*?)[\s]*\((.*?)\)\s*VALUES\s*\((.*?)\)[\s|;]*/mi'; $str = 'INSERT INTO TABLE ([fis_RECno], [fis_RECid_DBCno], [fis_RECid_RECno], [fis_SpecRECno], [fis_iptal], [fis_fileid], [fis_hidden], [fis_kilitli], [fis_degisti], [fis_checksum], [fis_create_user], [fis_create_date], [fis_lastup_user], [fis_lastup_date], [fis_special1], [fis_special2], [fis_special3], [fis_firmano], [fis_subeno], [fis_maliyil], [fis_tarih], [fis_sira_no], [fis_tur], [fis_hesap_kod], [fis_satir_no], [fis_aciklama1], [fis_meblag0], [fis_meblag1], [fis_meblag2], [fis_meblag3], [fis_meblag4], [fis_meblag5], [fis_meblag6], [fis_sorumluluk_kodu], [fis_ticari_tip], [fis_ticari_DBCno], [fis_ticari_RECno], [fis_kurfarkifl], [fis_ticari_evraktip], [fis_tic_evrak_seri], [fis_tic_evrak_sira], [fis_tic_belgeno], [fis_tic_belgetarihi], [fis_yevmiye_no], [fis_katagori], [fis_evrak_DBCno], [fis_fmahsup_tipi], [fis_fozelmahkod], [fis_grupkodu], [fis_aktif_pasif], [fis_proje_kodu]) VALUES (\'65918\', \'0\', \'65918\', \'0\', \'0\', \'2\', \'0\', \'0\', \'0\', \'0\', \'37\', \'2016-03-01 17:19:16.413\', \'37\', \'2016-03-01 17:19:16.413\', N\'\', N\'\', N\'\', \'0\', \'0\', \'2016\', \'2016-01-06 00:00:00.000\', \'180\', \'0\', N\'689.00.003\', \'5\', N\'yuvarlama\', \'-0.04\', \'-0.013707549433\', \'-0.04\', \'0\', \'0\', \'0\', \'0\', N\'\', \'0\', \'0\', \'0\', \'0\', \'0\', N\'\', \'0\', N\'\', \'1899-12-30 00:00:00.000\', \'2086\', \'0\', \'0\', \'0\', N\'\', N\'\', \'0\', N\'\'); '; preg_match_all($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