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

/
/
gm

Test String

Code Generator

Generated Code

#include <StringConstants.au3> ; to declare the Constants of StringRegExp #include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate Local $sRegex = "(?m)(?P<query_date>\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}Z UTC) \[ db=(?P<db>\w+) LOG:(?P<query_text>[\w|\W]*?;)" Local $sString = "'2021-06-23T08:02:08Z UTC [ db=dev LOG: BEGIN;" & @CRLF & _ "'2021-06-23T08:02:08Z UTC [ db=dev LOG: SET datestyle TO ISO;" & @CRLF & _ "'2021-06-23T08:02:08Z UTC [ db=dev LOG: SET TRANSACTION READ ONLY;" & @CRLF & _ "'2021-06-23T08:02:08Z UTC [ db=dev LOG: SET STATEMENT_TIMEOUT" & @CRLF & _ " TO 300000;" & @CRLF & _ "'2021-06-23T08:02:08Z UTC [ LOG: /* hash: 8d9692aa66628f2ea5b0b9de8e4ea59b */" & @CRLF & _ "" & @CRLF & _ "SELECT action," & @CRLF & _ " status," & @CRLF & _ " COUNT(*) AS num_req" & @CRLF & _ "FROM stl_datashare_changes_consumer" & @CRLF & _ "WHERE actiontime > getdate() - INTERVAL '1 day'" & @CRLF & _ "GROUP BY 1,2;" & @CRLF & _ "'2021-06-23T08:02:08Z UTC [ LOG: SELECT pg_catalog.stll_datashare_changes_consumer.action AS action, pg_catalog.stll_datashare_changes_consumer.status AS status, COUNT(*) AS num_req FROM pg_catalog.stll_datashare_changes_consumer WHERE pg_catalog.stll_datashare_changes_consumer.actiontime > getdate() - interval '1 day'::Interval GROUP BY 1, 2;" & @CRLF & _ "'2021-06-23T08:02:08Z UTC [ LOG: COMMIT;" & @CRLF & _ "'2021-06-23T08:02:08Z UTC [ LOG: SET query_group to ''" & @CRLF & _ "'2021-06-23T08:02:22Z UTC [ LOG: SELECT 1" & @CRLF & _ "'2021-06-23T08:02:30Z UTC [ LOG: /* hash: 64f5dca78e917617f51632257854cb2f */" & @CRLF & _ "WITH per_commit_info AS" & @CRLF & _ "(" & @CRLF & _ " SELECT date_trunc('day', startwork) AS day," & @CRLF & _ " c.xid," & @CRLF & _ " SUM(num_metadata_blocks_retained) AS sum_retained," & @CRLF & _ " SUM(total_metadata_blocks) AS sum_total," & @CRLF & _ " AVG(num_metadata_blocks_retained) AS avg_retained," & @CRLF & _ " AVG(total_metadata_blocks) AS avg_total" & @CRLF & _ " FROM stl_commit_stats c," & @CRLF & _ " stl_commit_internal_stats i" & @CRLF & _ " WHERE c.xid = i.xid" & @CRLF & _ " < ...even more sql >;" & @CRLF & _ "'2021-06-23T08:02:30Z UTC [ LOG: SELECT per_commit_info.day AS day, COUNT(*) AS commits," & @CRLF & _ "" Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYGLOBALFULLMATCH) Local $aFullArray[0] For $i = 0 To UBound($aArray) -1 _ArrayConcatenate($aFullArray, $aArray[$i]) Next $aArray = $aFullArray ; Present the entire match result _ArrayDisplay($aArray, "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 AutoIt, please visit: https://www.autoitscript.com/autoit3/docs/functions/StringRegExp.htm