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
Processing...

Test String

Substitution
Processing...

Code Generator

Generated Code

re = /" *\R(*SKIP)(*FAIL)|\R/m str = '"39901","0002286898","88","ACTUALS","TO RECORD ACCRUED LIABILITIES FOR GOODS OR SERVICES RECEIVED AT JUNE 30 2016 PER ATTACHED SCHEDULE. FOR 39901, IU journal 2297455 CONTACT: [NAME PHONE NUMBER] / [NAME PHONE NUMBER]","LA","34000000","Accrued Liabilities","","11000","","","","","","","","","","","","","2017","1","191313.130","07/28/2016","07/01/2016","","Accrued Liabilities","" "39901","0002290128","7","ACTUALS","To record accrued liabilities for goods or services received at June 30, 2016 per the attached schedule. Contact [NAME PHONE NUMBER EMAIL] or [NAME PHONE NUMBER EMAIL]","LA","34000000","Accrued Liabilities","","11000","","","","","","","","","","","","","2017","1","2556242.170","07/31/2016","07/01/2016","","Accrued Liabilities","" "39901","0002291224","37","ACTUALS","TO RECORD ACCRUED LIABILITIES FOR GOODS OR SERVICES RECEIVED AT JUNE 30 PER THE ATTACHED SCHEDULE. FOR 34530, CONTACT: [NAME PHONE NUMBER EMAIL]","LA","34000000","Accrued Liabilities","","11000","","","","","","","","","","","","","2017","1","3010262.140","07/27/2016","07/01/2016","","Accrued Liabilities","" "39901","0002291259","2","ACTUALS","TO RECORD ACCRUED LIABILITIES FOR GOODS OR SERVICES RECEIVED AT JUNE 30 PER THE ATTACHED SCHEDULE. FOR 34571, CONTACT: [NAME PHONE NUMBER] / [NAME PHONE NUMBER]","LA","34000000","Accrued Liabilities","","11000","","","","","","","","","","","","","2017","1","38140.260","07/27/2016","07/01/2016","","Accrued Liabilities","" "39901","0002291336","12","ACTUALS","TO RECORD ACCRUED LIABILITIES FOR GOODS OR SERVICES RECEIVED AT JUNE 30 PER ATTACHED SCHEDULE. FOR 345.20","LA","34000000","Accrued Liabilities","","11000","","","","","","","","","","","","","2017","1","2768000.000","08/01/2016","07/01/2016","","Accrued Liabilities",""' subst = '' result = str.gsub(re, subst) # Print the result of the substitution puts result

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 Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html