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

/
/
mgi

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 $sRegex = "(?mi)^(?!\s*$)\s*(?!\s)([^#\n\[=]+?)\s*?(?>#.*?$|(?>=\s*$|=\s*?(?:#?|(".*?"|[^\s].*?)\s*?)(?:\s*#.*?$)*?$)?$)" Local $sString = "[mysqld]" & @CRLF & _ "skip-grant-tables # k" & @CRLF & _ "bind-address=127.0.0.1" & @CRLF & _ " port = 3307 # test " & @CRLF & _ "basedir=C:\Program Files (x86)\MySQL\ " & @CRLF & _ "datadir=C:\Program Files (x86)\MySQL\data\" & @CRLF & _ "" & @CRLF & _ "default-storage-engine=INNODB " & @CRLF & _ "" & @CRLF & _ "sql-mode= " STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,test NO_ENGINE_SUBSTITUTION" #test" & @CRLF & _ "" & @CRLF & _ "max_connections=1000" & @CRLF & _ "" & @CRLF & _ "tmp_table_size=1G" & @CRLF & _ "max_heap_table_size=1G" & @CRLF & _ "join_buffer_size=1M " & @CRLF & _ "query_cache_size =50M" & @CRLF & _ "query_cache_limit=50M" & @CRLF & _ "max_allowed_packet = 104857600" & @CRLF & _ "port =" & @CRLF & _ "" & @CRLF & _ " = fh" & @CRLF & _ "thread_cache_size=8" & @CRLF & _ "" & @CRLF & _ "#*** MyISAM Specific options" & @CRLF & _ "" & @CRLF & _ "myisam_max_sort_file_size=100G" & @CRLF & _ "myisam_sort_buffer_size=35M" & @CRLF & _ "key_buffer_size=25M" & @CRLF & _ "read_buffer_size=64K" & @CRLF & _ "read_rnd_buffer_size=256K" & @CRLF & _ "sort_buffer_size=256K" & @CRLF & _ "" & @CRLF & _ "#*** INNODB Specific options ***" & @CRLF & _ "" & @CRLF & _ "innodb_flush_log_at_trx_commit=0" & @CRLF & _ "innodb_log_buffer_size=50M" & @CRLF & _ "innodb_buffer_pool_size=1000M" & @CRLF & _ "innodb_log_file_size=300M" & @CRLF & _ "innodb_thread_concurrency=8" & @CRLF & _ "innodb_flush_method=normal" & @CRLF & _ "innodb_autoinc_lock_mode=0 " & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "test=0" & @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