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

/
/
mg

Test String

Code Generator

Language

Generated Code

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "User name\\s+(?<user_name>[a-zA-Z|\\.|\\-|\\_|0-9]+)\\nFull Name\\s+(?<full_name>[a-zA-Z|\\.|\\-|\\_|0-9| ]*)\\nComment\\s+(?<comment>[a-zA-Z|\\.|\\-|\\_|0-9| ]+)\\nUser's comment\\s+(?<user_comment>[a-zA-Z|\\.|\\-|\\_|0-9| ]+)\\nCountry\\/region code\\s+(?<country_region_code>[a-zA-Z|\\.|\\-|\\_|0-9| |\\(|\\)]+)\\nAccount active\\s+(?<account_active>[No|Yes]+)\\nAccount expires\\s+(?<account_expiring_date_and_time>Never|(?<account_expiring_date>(?<account_expiring_date_month>\\d{1,2})\\/(?<account_expiring_date_day>\\d{1,2})\\/(?<account_expiring_date_year>\\d{4}))\\s(?<account_expiring_time>(?<account_expiring_time_hours>\\d{1,2})\\:(?<account_expiring_time_mins>\\d{1,2})\\:(?<account_expiring_time_seconds>\\d{1,2})\\s(?<account_expiring_time_am_pm>AM|PM)))\\n{2}Password last set\\s+(?<password_last_set_date_and_time>Never|(?<password_last_set_date>(?<password_last_set_date_month>\\d{1,2})\\/(?<password_last_set_date_day>\\d{1,2})\\/(?<password_last_set_date_year>\\d{4}))\\s(?<password_last_set_time>(?<password_last_set_time_hours>\\d{1,2})\\:(?<password_last_set_time_mins>\\d{1,2})\\:(?<password_last_set_time_seconds>\\d{1,2})\\s(?<password_last_set_time_am_pm>AM|PM)))\\nPassword expires\\s+(?<password_expires_date_and_time>Never|(?<password_expires__date>(?<password_expires_date_month>\\d{1,2})\\/(?<password_expires_date_day>\\d{1,2})\\/(?<password_expires_date_year>\\d{4}))\\s(?<password_expires_time>(?<password_expires_time_hours>\\d{1,2})\\:(?<password_expires_time_mins>\\d{1,2})\\:(?<password_expires_time_seconds>\\d{1,2})\\s(?<password_expires_time_am_pm>AM|PM)))\\nPassword changeable\\s+(?<password_change_date_and_time>Never|(?<password_change_date>(?<password_change_date_month>\\d{1,2})\\/(?<password_change_date_day>\\d{1,2})\\/(?<password_change_date_year>\\d{4}))\\s(?<password_change_time>(?<password_change_time_hours>\\d{1,2})\\:(?<password_change_time_mins>\\d{1,2})\\:(?<password_changes_time_seconds>\\d{1,2})\\s(?<password_change_time_am_pm>AM|PM)))\\nPassword required\\s+(?<account_required>[Yes|No]+)\\nUser\\smay change password\\s+(?<user_may_change_password>[No|Yes]+)\\n{2}Workstations allowed\\s+(?<workstations_allowed>.*)\\nLogon script\\s+(?<logon_script>.*)\\nUser profile\\s+(?<user_profile>.*)\\nHome directory\\s+(?<home_directory>.*)\\nLast logon\\s+(?<last_logon>(?<last_logon_date_and_time>Never|(?<last_logon_date>(?<last_logon_date_month>\\d{1,2})\\/(?<last_logon_date_day>\\d{1,2})\\/(?<last_logon_date_year>\\d{4}))\\s(?<last_logon_time>(?<last_logon_time_hours>\\d{1,2})\\:(?<last_logon_time_mins>\\d{1,2})\\:(?<last_logon_time_seconds>\\d{1,2})\\s(?<last_logon_time_am_pm>AM|PM))))\\n{2}Logon hours allowed\\s+(((?<day>[Friday|Saturday|Sunday|Monday|Tuesday|Wednesday|Thursday]+)\\s(?<starting_allowed_logon>(?<starting_allowed_logon_hours>\\d{1,2})\\:(?<starting_allowed_logon_mins>\\d{1,2})\\:(?<starting_allowed_logon_seconds>\\d{1,2})\\s(?<starting_allowed_logon_am_pm>[AM|PM]+))\\s\\-\\s(?<endding_allowed_logon>(?<ending_allowed_logon_hours>\\d{1,2})\\:(?<ending_allowed_logon_mins>\\d{1,2})\\:(?<ending_allowed_logon_seconds>\\d{1,2})\\s(?<ending_allowed_logon_am_pm>[AM|PM]+))?\\n?\\s+?)?((?<day1>[Friday|Saturday|Sunday|Monday|Tuesday|Wednesday|Thursday]+)\\s(?<starting_allowed_logon1>(?<starting_allowed_logon_hours1>\\d{1,2})\\:(?<starting_allowed_logon_mins1>\\d{1,2})\\:(?<starting_allowed_logon_seconds1>\\d{1,2})\\s(?<starting_allowed_logon_am_pm1>[AM|PM]+))\\s\\-\\s(?<endding_allowed_logon1>(?<ending_allowed_logon_hours1>\\d{1,2})\\:(?<ending_allowed_logon_mins1>\\d{1,2})\\:(?<ending_allowed_logon_seconds1>\\d{1,2})\\s(?<ending_allowed_logon_am_pm1>[AM|PM]+))?\\n?\\s+?)?((?<day2>[Friday|Saturday|Sunday|Monday|Tuesday|Wednesday|Thursday]+)\\s(?<starting_allowed_logon2>(?<starting_allowed_logon_hours2>\\d{1,2})\\:(?<starting_allowed_logon_mins2>\\d{1,2})\\:(?<starting_allowed_logon_seconds2>\\d{1,2})\\s(?<starting_allowed_logon_am_pm2>[AM|PM]+))\\s\\-\\s(?<endding_allowed_logon2>(?<ending_allowed_logon_hours2>\\d{1,2})\\:(?<ending_allowed_logon_mins2>\\d{1,2})\\:(?<ending_allowed_logon_seconds2>\\d{1,2})\\s(?<ending_allowed_logon_am_pm2>[AM|PM]+))?\\n?\\s+?)?((?<day3>[Friday|Saturday|Sunday|Monday|Tuesday|Wednesday|Thursday]+)\\s(?<starting_allowed_logon3>(?<starting_allowed_logon_hours3>\\d{1,2})\\:(?<starting_allowed_logon_mins3>\\d{1,2})\\:(?<starting_allowed_logon_seconds3>\\d{1,2})\\s(?<starting_allowed_logon_am_pm3>[AM|PM]+))\\s\\-\\s(?<endding_allowed_logon3>(?<ending_allowed_logon_hours3>\\d{1,2})\\:(?<ending_allowed_logon_mins3>\\d{1,2})\\:(?<ending_allowed_logon_seconds3>\\d{1,2})\\s(?<ending_allowed_logon_am_pm3>[AM|PM]+))?\\n?\\s+?)?((?<day4>[Friday|Saturday|Sunday|Monday|Tuesday|Wednesday|Thursday]+)\\s(?<starting_allowed_logon4>(?<starting_allowed_logon_hours4>\\d{1,2})\\:(?<starting_allowed_logon_mins4>\\d{1,2})\\:(?<starting_allowed_logon_seconds4>\\d{1,2})\\s(?<starting_allowed_logon_am_pm4>[AM|PM]+))\\s\\-\\s(?<endding_allowed_logon4>(?<ending_allowed_logon_hours4>\\d{1,2})\\:(?<ending_allowed_logon_mins4>\\d{1,2})\\:(?<ending_allowed_logon_seconds4>\\d{1,2})\\s(?<ending_allowed_logon_am_pm4>[AM|PM]+))?\\n?\\s+?)?((?<day5>[Friday|Saturday|Sunday|Monday|Tuesday|Wednesday|Thursday]+)\\s(?<starting_allowed_logon5>(?<starting_allowed_logon_hours5>\\d{1,2})\\:(?<starting_allowed_logon_mins5>\\d{1,2})\\:(?<starting_allowed_logon_seconds5>\\d{1,2})\\s(?<starting_allowed_logon_am_pm5>[AM|PM]+))\\s\\-\\s(?<endding_allowed_logon5>(?<ending_allowed_logon_hours5>\\d{1,2})\\:(?<ending_allowed_logon_mins5>\\d{1,2})\\:(?<ending_allowed_logon_seconds5>\\d{1,2})\\s(?<ending_allowed_logon_am_pm5>[AM|PM]+))?\\n?\\s+?)?((?<day6>[Friday|Saturday|Sunday|Monday|Tuesday|Wednesday|Thursday]+)\\s(?<starting_allowed_logon6>(?<starting_allowed_logon_hours6>\\d{1,2})\\:(?<starting_allowed_logon_mins6>\\d{1,2})\\:(?<starting_allowed_logon_seconds6>\\d{1,2})\\s(?<starting_allowed_logon_am_pm6>[AM|PM]+))\\s\\-\\s(?<endding_allowed_logon6>(?<ending_allowed_logon_hours6>\\d{1,2})\\:(?<ending_allowed_logon_mins6>\\d{1,2})\\:(?<ending_allowed_logon_seconds6>\\d{1,2})\\s(?<ending_allowed_logon_am_pm6>[AM|PM]+))?\\n?\\s+?)?)\\nLocal Group Memberships\\s+(((?:\\*)(?<local_group_memberships>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<local_group_memberships1>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<local_group_memberships2>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<local_group_memberships3>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<local_group_memberships4>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<local_group_memberships5>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<local_group_memberships6>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<local_group_memberships7>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<local_group_memberships8>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<local_group_memberships9>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<local_group_memberships10>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?)?Global Group memberships\\s+(((?:\\*)(?<global_group_memberships>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<global_group_memberships1>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<global_group_memberships2>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<global_group_memberships3>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<global_group_memberships4>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<global_group_memberships5>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<global_group_memberships6>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<global_group_memberships7>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<global_group_memberships8>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<global_group_memberships9>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?((?:\\*)(?<global_group_memberships10>\\b[\\s|\\w]+\\b)[\\s|\\n]*)?)The command completed successfully\\."; final String string = "User name x.xxxxxx\n" + "Full Name Xxx X. Xxxxxxx\n" + "Comment Xxxxx Xxxxxx Xxxxx\n" + "User's comment Xxxxxxxxxxxxxx\n" + "Country/region code (null)\n" + "Account active Yes\n" + "Account expires 7/7/2020 12:00:00 AM\n\n" + "Password last set 6/6/2020 4:04:07 PM\n" + "Password expires 7/18/2020 4:04:07 PM\n" + "Password changeable 6/7/2020 4:04:07 PM\n" + "Password required Yes\n" + "User may change password Yes\n\n" + "Workstations allowed All\n" + "Logon script xxxx.xxxx\n" + "User profile c:\\Users\\xxxxxxxx\\Desktop\\script.ps1\n" + "Home directory c:\\Users\\xxxxxxxx\\Desktop\\script.ps1\n" + "Last logon Never\n\n" + "Logon hours allowed Sunday 8:00:00 AM - 4:00:00 PM\n" + " Monday 8:00:00 AM - 4:00:00 PM\n" + " Tuesday 8:00:00 AM - 4:00:00 PM\n" + " Wednesday 8:00:00 AM - 4:00:00 PM\n" + " Thursday 8:00:00 AM - 4:00:00 PM\n\n" + "Local Group Memberships *Access Control Assist*Administrators \n" + " *Allowed RODC Password*Cert Publishers \n" + "Global Group memberships *Domain Users \n" + "The command completed successfully. \n"; final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE); final Matcher matcher = pattern.matcher(string); while (matcher.find()) { System.out.println("Full match: " + matcher.group(0)); for (int i = 1; i <= matcher.groupCount(); i++) { System.out.println("Group " + i + ": " + matcher.group(i)); } } } }

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 Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html