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

r"
"
gmx

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 = "(?mx)^Traceback" & @CRLF & _ "[\s\S]+?" & @CRLF & _ "(?=^\[|\Z)" Local $sString = "Started by upstream project "run_script" build number 435" & @CRLF & _ "originally caused by:" & @CRLF & _ " Started by user test" & @CRLF & _ "[Pipeline] {" & @CRLF & _ "[Pipeline] stage (Svnup)" & @CRLF & _ "Entering stage Svnup" & @CRLF & _ "+ python -m test.cli install 479CI9SOZ android://0.0.0.0:10000/479CI9SOZ /root/workspace/group/apk/com.data.app.apk - - false false" & @CRLF & _ "[03:21:33][DEBUG]<android> /root/env/common/test/test/core/android/adb/linux/adb -H 0.0.0.0 -P 10000 -s 479CI9SOZ wait-for-device" & @CRLF & _ "Traceback (most recent call last):" & @CRLF & _ " File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main" & @CRLF & _ " "__main__", fname, loader, pkg_name)" & @CRLF & _ " File "/usr/lib/python2.7/runpy.py", line 72, in _run_code" & @CRLF & _ " exec code in run_globals" & @CRLF & _ " File "/root/env/common/test/test/cli/parser.py", line 55, in main" & @CRLF & _ " run_script(args)" & @CRLF & _ " File "/root/env/common/test/test/core/helper.py", line 224, in wrapper" & @CRLF & _ " return f(pictarget, *args[1:], **opargs)" & @CRLF & _ " File "/root/env/common/test/test/core/main.py", line 408, in assert_exists" & @CRLF & _ " raise AssertionTimeout("%s does not exist in screen" % v)" & @CRLF & _ "AssertionTimeout: MoaPic(group_login.owl/tpl1487844291185.png) does not exist in screen" & @CRLF & _ "EndOfStream" & @CRLF & _ "[03:23:18][DEBUG]<android> /root/env/common/test/test/core/android/adb/linux/adb -H 0.0.0.0 -P 10000 -s 479CI9SOZ forward --remove tcp:12671" & @CRLF & _ "+ python -m test.cli run 479CI9SOZ android://0.0.0.0:10000/479CI9SOZ /root/workspace/group/util/scripts/group_login.owl " & @CRLF & _ "rpc_uri: http://0.0.0.0:12708/jsonrpc/0" & @CRLF & _ "rpc_uri: http://0.0.0.0:12708/jsonrpc/0" & @CRLF & _ "Traceback (most recent call last):" & @CRLF & _ " File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main" & @CRLF & _ " "__main__", fname, loader, pkg_name)" & @CRLF & _ " File "/usr/lib/python2.7/runpy.py", line 72, in _run_code" & @CRLF & _ " exec code in run_globals" & @CRLF & _ " File "/root/env/common/test/test/__main__.py", line 5, in <module>" & @CRLF & _ " main()" & @CRLF & _ " File "/root/env/common/test/test/cli/parser.py", line 55, in main" & @CRLF & _ " run_script(args)" & @CRLF & _ " File "/root/env/common/test/test/cli/runner.py", line 124, in run_script" & @CRLF & _ " exec_script(args.script, scope=globals(), root=True)" & @CRLF & _ " File "/root/env/common/test/test/cli/runner.py", line 186, in exec_script" & @CRLF & _ " exec(compile(code, scriptpath, 'exec')) in scope" & @CRLF & _ " File "/root/env/common/mator/mator/mator.py", line 520, in start" & @CRLF & _ " raise IOError("RPC server not started!")" & @CRLF & _ "IOError: RPC server not started!" & @CRLF & _ "[03:24:40][DEBUG]<android> /root/env/common/test/test/core/android/adb/linux/adb -H 0.0.0.0 -P 10000 -s 479CI9SOZ forward --remove tcp:12708" & @CRLF & _ "[03:26:41][DEBUG]<main> ->sift result: None" & @CRLF & _ "[03:26:41][DEBUG]<main> match result: None" & @CRLF & _ "Traceback (most recent call last):" & @CRLF & _ " File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main" & @CRLF & _ " "__main__", fname, loader, pkg_name)" & @CRLF & _ " File "/usr/lib/python2.7/runpy.py", line 72, in _run_code" & @CRLF & _ " exec code in run_globals" & @CRLF & _ " File "/root/env/common/test/test/core/main.py", line 195, in touch" & @CRLF & _ " pos = loop_find(v, timeout=timeout)" & @CRLF & _ " File "/root/env/common/test/test/core/utils/logwraper.py", line 70, in wrapper" & @CRLF & _ " res = f(*args, **kwargs)" & @CRLF & _ " File "/root/env/common/test/test/core/cv.py", line 83, in loop_find" & @CRLF & _ " raise NotFoundException('Picture %s not found in screen' % query)" & @CRLF & _ "test.core.error.NotFoundException: 'Picture MoaPic(group_login.owl/tpl1482311722698.png) not found in screen'" & @CRLF & _ "+ python -m test.cli stop_screen_record android://0.0.0.0:10000/479CI9SOZ 479CI9SOZ.mp4" & @CRLF & _ "ERROR: script returned exit code 1" & @CRLF & _ "Finished: FAILURE" 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