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

/
/
gm

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 = "\\s*<GetFulfillmentPreviewResponse[\\s\\S]*?>[\\s\\S]*?<GetFulfillmentPreviewResult[\\s\\S]*?>[\\s\\S]*?<FulfillmentPreviews[\\s\\S]*?<EstimatedFees[\\s\\S]*?<Value>([\\s\\S]*?)<\\/Value>"; final String string = "<GetFulfillmentPreviewResponse xmlns=\"http://mws.amazonaws.com/FulfillmentOutboundShipment/2010-10-01/\">\n" + " <GetFulfillmentPreviewResult>\n" + " <FulfillmentPreviews>\n" + " <member>\n" + " <MarketplaceId>ATVPDKIKX0DER</MarketplaceId>\n" + " <IsCODCapable>false</IsCODCapable>\n" + " <IsFulfillable>true</IsFulfillable>\n" + " <ShippingSpeedCategory>Standard</ShippingSpeedCategory>\n" + " <UnfulfillablePreviewItems/>\n" + " <EstimatedShippingWeight>\n" + " <Value>4</Value>\n" + " <Unit>POUNDS</Unit>\n" + " </EstimatedShippingWeight>\n" + " <EstimatedFees>\n" + " <member>\n" + " <Name>FBAPerUnitFulfillmentFee</Name>\n" + " <Amount>\n" + " <CurrencyCode>USD</CurrencyCode>\n" + " <Value>6.73</Value>\n" + " </Amount>\n" + " </member>\n" + " </EstimatedFees>\n" + " <FulfillmentPreviewShipments>\n" + " <member>\n" + " <LatestShipDate>2019-02-02T07:59:59Z</LatestShipDate>\n" + " <LatestArrivalDate>2019-02-05T07:59:59Z</LatestArrivalDate>\n" + " <FulfillmentPreviewItems>\n" + " <member>\n" + " <ShippingWeightCalculationMethod>Dimensional</ShippingWeightCalculationMethod>\n" + " <SellerFulfillmentOrderItemId>001test</SellerFulfillmentOrderItemId>\n" + " <EstimatedShippingWeight>\n" + " <Value>3.228</Value>\n" + " <Unit>POUNDS</Unit>\n" + " </EstimatedShippingWeight>\n" + " <Quantity>1</Quantity>\n" + " <SellerSKU>ASICS by Rakuten_20180926_29.86_6799</SellerSKU>\n" + " </member>\n" + " </FulfillmentPreviewItems>\n" + " <EarliestArrivalDate>2019-02-04T08:00:00Z</EarliestArrivalDate>\n" + " <EarliestShipDate>2019-01-29T08:00:00Z</EarliestShipDate>\n" + " </member>\n" + " </FulfillmentPreviewShipments>\n" + " </member>\n" + " </FulfillmentPreviews>\n" + " </GetFulfillmentPreviewResult>\n" + " <ResponseMetadata>\n" + " <RequestId>8a6d2844-317a-4bc7-9183-e405128203d9</RequestId>\n" + " </ResponseMetadata>\n" + "</GetFulfillmentPreviewResponse>\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