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

/
/
m

Test String

Code Generator

Generated Code

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "passengers\\*\\s+?(?<TotalPrice>[0-9\\,\\.]{5,8})|Total\\*\\s+?([0-9\\,\\.]{5,8})"; final String string = "E-Ticket Itinerary, Receipt and Tax Invoice\n\n" + "Your Booking Reference\n\n" + "KTHQEJ\n" + "Important Information\n" + "• This is your E-Ticket Itinerary & Receipt/Tax Invoice. We recommend that you print this out or save this on your phone, and it\n" + "is recommended you retain a copy for your records.\n" + "• Each passenger travelling needs a printed copy of this document for airport security checks.\n" + "• Please familiarise yourself with the key Conditions of Carriage, Dangerous Goods guide and other information attached.\n" + "Passenger Ticket Information\n" + "Passenger Name\n\n" + "Frequent Flyer No.\n\n" + "Ticket No.\n\n" + "Issued\n\n" + "Mr Zachary Kirkham\n\n" + "QF1752890\n" + "Qantas Club Silver / oneworld Ruby\n\n" + "081-2301896427\n\n" + "04 Dec 19\n\n" + "Ticket Total*\n" + "814.07\n\n" + "Mr Matthew Davis\n\n" + "QF1911660387\n" + "Frequent Flyer Silver / oneworld Ruby\n\n" + "081-2301896426\n\n" + "04 Dec 19\n\n" + "814.07\n\n" + "Ticket Total for all passengers*\n\n" + "1,628.14\n\n" + "*Amounts are displayed in AUD (AUD)\n\n" + "Your Itinerary\n" + "Date\n\n" + "Flight Number\n\n" + "Departing\n\n" + "Arriving\n\n" + "Status\n\n" + "Flight Information\n\n" + "09 Dec 19\n\n" + "QF471\n\n" + "Sydney\n" + "0615, 6:15AM\n" + "Terminal 3\n\n" + "Melbourne\n" + "0750, 7:50AM\n" + "09 Dec 19\n" + "Terminal 1\n\n" + "Economy\n" + "Confirmed\n\n" + "Est journey Time: 01:35\n" + "Non-Stop\n" + "Aircraft Type: Boeing 737\n\n" + "11 Dec 19\n\n" + "QF434\n\n" + "Melbourne\n" + "1300, 1:00PM\n" + "Terminal 1\n\n" + "Sydney\n" + "1425, 2:25PM\n" + "11 Dec 19\n" + "Terminal 3\n\n" + "Economy\n" + "Confirmed\n\n" + "Est journey Time: 01:25\n" + "Non-Stop\n" + "Aircraft Type: Boeing 737\n\n" + "Payment Details\n" + "Date\n\n" + "Payment Type\n\n" + "Reference\n\n" + "04 Dec 19\n\n" + "American Express\n\n" + "xxxx-xxxx-xxxx-2006\n\n" + "Amount*\n" + "1,628.14\n\n" + "This may appear as multiple transactions on your credit card statement\n\n" + "Your Receipt Details\n" + "Ticket Charges\n" + "Total*\n" + "Card Payment Fee\n\n" + "Total Amount Payable*\n\n" + "Charges\n" + "1,465.04\n" + "15.10\n\n" + "GST\n\n" + "Total*\n\n" + "1,480.14\n\n" + "148.00\n\n" + "1,628.14\n\n" + "*Includes Taxes/Fees/carrier Charges\n\n" + "Tax Information\n" + "GST is included for taxable sales\n" + "ABN:58084409316\n\n" + "Issued by\n" + "Qantas Airways on 04 Dec 19\n\n" + "GST Paid 148.00\n\n" + "Flying With Us\n" + "Before Check-in\n" + "• Ensure that each passenger\n" + "carries a printed copy of this\n" + "document when travelling.\n" + "• Label your bags inside and out\n" + "with your name, address and\n" + "contact number at your\n" + "destination.\n" + "• Check Carry-on baggage and\n" + "checked baggage allowances as\n" + "restrictions apply.\n\n" + "Getting Away On Time\n" + "• Ensure you are at the airport with\n" + "enough time to complete necessary\n" + "check-in, security screening and,\n" + "for international flights, customs\n" + "and immigration.\n" + "• Familiarise yourself with the checkin and boarding times. Information\n" + "for Qantas and QantasLink flights is\n" + "in the Travel Information section\n" + "attached.\n\n" + "Check-in\n" + "• Visit qantas.com/checkin to\n" + "choose the check-in option best\n" + "for you.\n\n" + "Fare Restrictions - Refer to the applicable fare rules as special conditions may apply\n" + "Additional Fees: Fees may apply to some booking changes, ticket reissues and consultant-assisted services. Details are available at qantas.com.\n\n" + "Qantas Airways Limited ABN 16 009 661 901, 10 Bourke Road, Mascot NSW 2020, Australia\n" + "qantas.com\n\n" + " Travel Information\n" + "Qantas Group check-in times\n\n" + "International Terminal\n\n" + "Domestic Terminal\n\n" + "Australian and New Zealand Terminals**\n\n" + "QF 001 - 399\n\n" + "QF400 and above\n\n" + "International First / Business\n" + "International Economy / Premium Economy\n\n" + "Closes 60 minutes before departure\n" + "Closes 90 minutes before departure\n\n" + "Domestic Business / Economy\n\n" + "Closes 60 minutes before departure\n\n" + "Qantas codeshare services (QF Flight\n" + "numbers operated by Jetstar)^\n" + "Jetstar Services^\n\n" + "Check in opens 3 hours before departure\n" + "Closes 60 minutes before departure\n" + "JQ 001 - 399 and 3K 500 - 699^\n\n" + "N/A\n" + "N/A\n" + "45 minutes from departure* Closes 30\n" + "minutes before departure.\n" + "Check in opens 2 hours before departure\n" + "Closes 30 minutes before departure\n" + "JQ 400 and above\n\n" + "Jetstar Business / Economy (JQ)^\n\n" + "Check in opens 3 hours before departure\n" + "Closes 60 minutes before departure\n" + "Check in opens 2 hours before departure\n\n" + "Check in opens 2 hours before departure\n" + "Closes 30 minutes before departure\n" + "N/A\n\n" + "Jetstar flights operated by Jetstar Asia (3K)~\n\n" + "* Check-in closes 30 minutes before departure. Boarding will commence 20 minutes prior to departure. ** Please check with your local Qantas office for check-in\n" + "time at all non-Australian / New Zealand ports. Ensure you adhere to check-in times or your fare may be forfeited.\n" + "^ Jetstar flights JQ1-JQ399 depart from international terminals, except JQ61, JQ73 and JQ81 which depart from domestic terminals.\n" + "~ Jetstar flights that operate under a 3K flight number between Perth and Singapore and Singapore and Auckland check-in opens 3 hours prior to departure and\n" + "closes 1 hour prior to departure.\n\n" + "Included and Carry On Baggage\n\n" + "QF471\n\n" + "Sydney to Melbourne - 09 Dec 2019\n" + "PASSENGER\n\n" + "Mr Zachary\n" + "Kirkham\n\n" + "INCLUDED CHECKED BAGGAGE\n" + "(no single piece may exceed 32kg / 67lb)\n\n" + "PURCHASED BAGGAGE\n" + "(no single piece may exceed 32kg / 67lb)\n\n" + "CARRY ON BAGGAGE\n" + "(Up to 10kg(22lb) for one piece, max 14kg(30lb) total)\n\n" + "1 x 32kg/70lb\n\n" + "1 x 32kg/70lb\n\n" + "Cabin bag combination + 1 personal item\n\n" + "1 x 32kg/70lb\n\n" + "-\n\n" + "Cabin bag combination + 1 personal item\n\n" + "Silver QC - 1752890 Adult\n\n" + "Mr Matthew Davis\n" + "Silver - 1911660387 Adult\n\n" + "Domestic Economy Checked + Carry On baggage information\n" + "CHECKED BAGGAGE\n\n" + "CARRY ON\n\n" + "+\n\n" + "L + H + D = 140cm/54in\n" + "No single item of checked\n" + "baggage may exceed 32kg\n" + "(70lb). Dimensions for\n" + "checked baggage are\n" + "calculated by adding\n" + "together the width, height\n" + "and depth of the piece of\n" + "baggage. For tickets\n" + "containing a flight to or from\n" + "the Americas, the amount is\n" + "the total of all the baggage\n" + "added together.\n\n" + "Carry-on baggage varies depending on destination, class of travel or aircraft. One small personal item could be a\n" + "handbag, laptop computer or overcoat. Restrictions on height, depth, length and weight apply to carry-on\n" + "baggage. More information is on the Carry-on Baggage page.\n\n" + "Qantas Airways Limited ABN 16 009 661 901, 10 Bourke Road, Mascot NSW 2020, Australia\n" + "qantas.com\n\n" + " QF434\n\n" + "Melbourne to Sydney - 11 Dec 2019\n" + "PASSENGER\n\n" + "Mr Zachary\n" + "Kirkham\n\n" + "INCLUDED CHECKED BAGGAGE\n" + "(no single piece may exceed 32kg / 67lb)\n\n" + "PURCHASED BAGGAGE\n" + "(no single piece may exceed 32kg / 67lb)\n\n" + "CARRY ON BAGGAGE\n" + "(Up to 10kg(22lb) for one piece, max 14kg(30lb) total)\n\n" + "1 x 32kg/70lb\n\n" + "1 x 32kg/70lb\n\n" + "Cabin bag combination + 1 personal item\n\n" + "1 x 32kg/70lb\n\n" + "-\n\n" + "Cabin bag combination + 1 personal item\n\n" + "Silver QC - 1752890 Adult\n\n" + "Mr Matthew Davis\n" + "Silver - 1911660387 Adult\n\n" + "Domestic Economy Checked + Carry On baggage information\n" + "CHECKED BAGGAGE\n\n" + "CARRY ON\n\n" + "+\n\n" + "L + H + D = 140cm/54in\n" + "No single item of checked\n" + "baggage may exceed 32kg\n" + "(70lb). Dimensions for\n" + "checked baggage are\n" + "calculated by adding\n" + "together the width, height\n" + "and depth of the piece of\n" + "baggage. For tickets\n" + "containing a flight to or from\n" + "the Americas, the amount is\n" + "the total of all the baggage\n" + "added together.\n\n" + "Carry-on baggage varies depending on destination, class of travel or aircraft. One small personal item could be a\n" + "handbag, laptop computer or overcoat. Restrictions on height, depth, length and weight apply to carry-on\n" + "baggage. More information is on the Carry-on Baggage page.\n\n" + "Qantas Airways Limited ABN 16 009 661 901, 10 Bourke Road, Mascot NSW 2020, Australia\n" + "qantas.com\n\n" + " Travel Information\n" + "Important Information\n" + "Dimensions:\n" + "International Flights (excluding North and South America):\n" + "Total dimensions for each piece must not exceed 158cm (62in). Dimensions for checked baggage are calculated by adding\n" + "together the width, height and depth of the piece of baggage.\n" + "International Flights to and from North & South America:\n" + "Total dimensions of the 3 pieces must not exceed 405cm (159in) and total dimensions of the 2 pieces must not exceed\n" + "270cm (106in) with no single piece exceeding 158cm (62in). Dimensions for checked baggage are calculated by adding together\n" + "the width, height and depth of the piece of baggage.\n" + "Domestic Flights:\n" + "Total dimensions of each piece must not exceed 140cm (55in). Dimensions for checked baggage are calculated by adding\n" + "together the width, height and depth of the piece of baggage.\n" + "+Adults travelling with an infant (under 2 years) on Qantas operated services may check-in up to three infant items\n" + "free of charge. See here for more details.\n" + "Interline travel: Qantas baggage allowance may not apply. If your travel on this ticket involves more than one\n" + "airline, the baggage allowance of the most significant carrier in your itinerary will apply to each journey, except in\n" + "relation to travel to, from or within the USA. Under US DOT regulations, if your travel to, from or within the USA\n" + "involves more than one airline, the baggage rules of one airline will apply to all of the flights in your itinerary. This is\n" + "determined by the first carrier in your itinerary. For travel between Australia and the USA, usually (both not always)\n" + "Qantas' baggage allowance will apply to the whole itinerary.\n" + "Member Allowances: Qantas Frequent Flyer and Qantas Club member baggage allowances apply to travel on\n" + "Qantas and QantasLink operated flights with a QF flight number on your ticket, excluding flights to or from Lord Howe\n" + "Island and Mount Hotham. These allowances also apply to Emirates operated flights with an EK flight number\n" + "between and within Europe, the Middle East, North Africa, Asia and Australia. These benefits are not cumulative.\n" + "Definitions: Domestic travel is travel that is not combined with any international flights on the same ticket.\n" + "International travel is travel between two or more countries including any flight within those countries if it is combined\n" + "with the international travel.\n" + "General: No single item of checked baggage may exceed 32kg (70lb). Carriage of baggage is subject to space availability and\n" + "any applicable aircraft weight restrictions, which vary. Baggage exceeding the specified allowance may need to be\n" + "accommodated on a later flight.\n" + "Visit qantas.com/baggage or the \"Planning & Booking - Baggage\" page of jetstar.com for important information\n" + "regarding baggage restrictions. For additional and excess baggage rates visit qantas.com/additionalbaggage or\n" + "jetstar.com.\n\n" + "Qantas Airways Limited ABN 16 009 661 901, 10 Bourke Road, Mascot NSW 2020, Australia\n" + "qantas.com\n\n" + " Travel Information\n" + "Enhanced Security Screening - Powders, Liquids, aerosols and gels\n" + "Enhanced security measures apply to and from Australia and on domestic\n" + "sectors of international flights within Australia. Similar or more restrictive\n" + "measures may apply for other countries. If you want to take powders, liquids,\n" + "aerosols or gels through the screening point, make sure:\n" + "• each item is 100ml or less;\n" + "• all items fit comfortably in a transparent resealable 1 litre plastic\n" + "bag (only 1 bag per person is allowed)\n\n" + "Travelling with Money\n" + "Are you planning to carry funds in or out of Australia? By law, you must now:\n" + "• If asked by a Customs or police officer, report travellers\n" + "cheques, cheques, money orders or any other bearer\n" + "negotiable instruments of any amount.\n" + "• Always report A$10,000 cash or more (or foreign currency\n" + "equivalent) using a form available from Customs.\n" + "Visit www.austrac.gov.au for more information.\n\n" + "Exceptions:Prescription and non-prescription medicines and baby products\n" + "that you need for the flight, but please note:\n" + "• proof of need may be required, and\n" + "• additional security checks may be performed\n" + "• All powders must be screened separately with restrictions on\n" + "the carriage of inorganic powders over 350 millilitres (350\n" + "grams)\n\n" + "Qantas Privacy Collection Notice\n" + "Qantas collects information about you (including health information where\n" + "necessary) to provide products and services to you, facilitate your\n" + "participation in our and other organisations' loyalty programs, ensure the\n" + "safety and security of all passengers when travelling with us, conduct\n" + "marketing activities for our and third parties' products and services and\n" + "conduct market research.\n\n" + "Note - Duty Free items: Duty free liquids, aerosols and gels not exceeding\n" + "100ml per item may be taken onboard in your transparent resealable 1 litre\n" + "plastic bag. Government screening requirements vary between countries\n" + "around the world, and duty free liquids, aerosols and gels which exceed\n" + "100ml may not always be permitted through a screening point at all airports on\n" + "your journey. If your journey includes a flight with a transit stop or a transfer\n" + "to an onward connecting flight, you may be required to take these items\n" + "through the transit or transfer screening points where you may be required to\n" + "surrender the item, and it will not be returned to you.\n\n" + "We may collect your personal information from people who make or update\n" + "your travel booking or otherwise interact with us on your behalf, from our\n" + "related bodies corporate and Jetstar branded entities, from our service\n" + "providers and from immigration, customs, border security and other regulatory\n" + "authorities. Some of the information we collect is required under the Customs\n" + "Act 1901 (Cth). If the information is not provided, we may not be able to\n" + "provide the service requested.\n\n" + "Qantas recommends that you visit "; final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE); final Matcher matcher = pattern.matcher(string); if (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