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

/
/
s

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 = "(?s)desc\s*"(((?!").)*)((?!\n).)*\n{1}task\s*:(((?!\n).)*)do(((?!\nend).)*)\nend" Local $sString = "import 'cloud2/cloud2.rb'" & @CRLF & _ "desc "transfer db from current location to local and new dev"" & @CRLF & _ "task :fulldbtransfer => [ " & @CRLF & _ " :dbdown, :dbup, " & @CRLF & _ " :dbup_live,]" & @CRLF & _ "$comps_db = ['prube_yalecomps']" & @CRLF & _ "$tnew_dbs = [ 'prube_yaletnew_drama_prod'," & @CRLF & _ " 'prube_yaletnew_summer_cabaret_prod'," & @CRLF & _ " 'prube_yaletnew_cabaret_prod'," & @CRLF & _ " 'prube_yaletnew_music_prod'," & @CRLF & _ " 'prube_yaletnew_rep_prod']" & @CRLF & _ "$new_tnew_dbs = [ 'prube_yaletnew_drama'," & @CRLF & _ " 'prube_yaletnew_summer_cabaret'," & @CRLF & _ " 'prube_yaletnew_cabaret'," & @CRLF & _ " 'prube_yaletnew_music'," & @CRLF & _ " 'prube_yaletnew_rep']" & @CRLF & _ "all_erube_dbs = $comps_db + $tnew_dbs" & @CRLF & _ "desc "Transfer Database, complete with tunnel setup and teardown"" & @CRLF & _ "task :dbdown do" & @CRLF & _ " all_erube_dbs.each do |database_name|" & @CRLF & _ " cloud2_mysqldump do tunnel_host 'cumulus-www-master-pub.rs.lynch2.com'" & @CRLF & _ " tunnel_user 'www' db_host 'cumulus-db-master.rs.lynch2.com' skip_secure_auth true " & @CRLF & _ " db_user 'mysql'" & @CRLF & _ " db_pass 'mysql'" & @CRLF & _ " db_name " file_prefix 'SOURCE_'" & @CRLF & _ " ignored_tables ['cache','hits','debug','sessionvars','sessions']" & @CRLF & _ " end " & @CRLF & _ " end" & @CRLF & _ "end" & @CRLF & _ "" & @CRLF & _ "task :dbsandr do" & @CRLF & _ " dbname = "prube_yalecomps"" & @CRLF & _ " bucket_prefix = "comps"" & @CRLF & _ " cloud2_sed do" & @CRLF & _ " source_file "db-tools/SOURCE_mysqldump_ dest_file "db-tools/CLOUD2_ " & @CRLF & _ " find_str [ ]" & @CRLF & _ "" & @CRLF & _ " replace_str [ ] end" & @CRLF & _ "" & @CRLF & _ " dbname = "prube_yaletnew_drama_prod"" & @CRLF & _ " bucket_prefix = "drame"" & @CRLF & _ " cloud2_sed do" & @CRLF & _ " source_file "db-tools/SOURCE_mysqldump_ dest_file "db-tools/CLOUD2_ " & @CRLF & _ " find_str [" & @CRLF & _ " 'prube_yaletnew_drama_prod', ]" & @CRLF & _ "" & @CRLF & _ " replace_str [" & @CRLF & _ " "prube_yaletnew_drama", ] end" & @CRLF & _ "" & @CRLF & _ " dbname = "prube_yaletnew_summer_cabaret_prod"" & @CRLF & _ " bucket_prefix = "summer-cabaret"" & @CRLF & _ " cloud2_sed do" & @CRLF & _ " source_file "db-tools/SOURCE_mysqldump_ dest_file "db-tools/CLOUD2_ " & @CRLF & _ " find_str [" & @CRLF & _ " 'prube_yaletnew_summer_cabaret_prod', ]" & @CRLF & _ "" & @CRLF & _ " replace_str [" & @CRLF & _ " 'prube_yaletnew_summer_cabaret', ] end" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ " dbname = "prube_yaletnew_cabaret_prod"" & @CRLF & _ " bucket_prefix = "cabaret"" & @CRLF & _ " cloud2_sed do" & @CRLF & _ " source_file "db-tools/SOURCE_mysqldump_ dest_file "db-tools/CLOUD2_ " & @CRLF & _ " find_str [" & @CRLF & _ " 'prube_yaletnew_cabaret_prod', ]" & @CRLF & _ "" & @CRLF & _ " replace_str [" & @CRLF & _ " 'prube_yaletnew_cabaret', ] end" & @CRLF & _ "" & @CRLF & _ " dbname = "prube_yaletnew_music_prod"" & @CRLF & _ " bucket_prefix = "music"" & @CRLF & _ " cloud2_sed do" & @CRLF & _ " source_file "db-tools/SOURCE_mysqldump_ dest_file "db-tools/CLOUD2_ " & @CRLF & _ " find_str [" & @CRLF & _ " 'prube_yaletnew_music_prod', ]" & @CRLF & _ "" & @CRLF & _ " replace_str [" & @CRLF & _ " 'prube_yaletnew_music', ] end" & @CRLF & _ "" & @CRLF & _ " dbname = "prube_yaletnew_rep_prod"" & @CRLF & _ " bucket_prefix = "rep"" & @CRLF & _ " cloud2_sed do" & @CRLF & _ " source_file "db-tools/SOURCE_mysqldump_ dest_file "db-tools/CLOUD2_ " & @CRLF & _ " find_str [" & @CRLF & _ " 'prube_yaletnew_rep_prod', ]" & @CRLF & _ "" & @CRLF & _ " replace_str [" & @CRLF & _ " 'prube_yaletnew_rep', ] end" & @CRLF & _ "" & @CRLF & _ "end" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "desc "Send Database to tigard-dev-rds"" & @CRLF & _ "task :dbup do" & @CRLF & _ " upload_dbs "reston-dev-rds.aws.lynch2.com"" & @CRLF & _ "end" & @CRLF & _ "" & @CRLF & _ "desc "Send Database to tigard-mail2-rds"" & @CRLF & _ "task :dbup_live do" & @CRLF & _ " upload_dbs "reston-live-rds.aws.lynch2.com"" & @CRLF & _ "end" & @CRLF & _ "" & @CRLF & _ "def upload_dbs (dbhost)" & @CRLF & _ " $comps_db.each do |database_name| " & @CRLF & _ " cloud2_mysql do db_host dbhost" & @CRLF & _ " db_user 'mysql'" & @CRLF & _ " db_pass 'mysql'" & @CRLF & _ " db_name "mysql" sql_files ["CLOUD2_ end " & @CRLF & _ " cloud2_mysql do db_host dbhost" & @CRLF & _ " db_user 'mysql'" & @CRLF & _ " db_pass 'mysql'" & @CRLF & _ " db_name " sql_files ["erube_upgrade.sql"]" & @CRLF & _ " end " & @CRLF & _ " end" & @CRLF & _ " $new_tnew_dbs.each do |database_name| " & @CRLF & _ " cloud2_mysql do db_host dbhost" & @CRLF & _ " db_user 'mysql'" & @CRLF & _ " db_pass 'mysql'" & @CRLF & _ " db_name "mysql" sql_files ["CLOUD2_ end " & @CRLF & _ " cloud2_mysql do db_host dbhost" & @CRLF & _ " db_user 'mysql'" & @CRLF & _ " db_pass 'mysql'" & @CRLF & _ " db_name " sql_files ["tnew_erube_upgrade.sql"]" & @CRLF & _ " end " & @CRLF & _ " end" & @CRLF & _ "end" & @CRLF & _ "" Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYFULLMATCH) ; Present the entire match result _ArrayDisplay($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