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
Processing...

Test String

Code Generator

Language

Generated Code

import re regex = re.compile(r"\s*<GetFulfillmentPreviewResponse[\s\S]*?>[\s\S]*?<GetFulfillmentPreviewResult[\s\S]*?>[\s\S]*?<FulfillmentPreviews[\s\S]*?<EstimatedFees[\s\S]*?<Value>([\s\S]*?)<\/Value>", flags=re.MULTILINE) test_str = ("<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") matches = regex.finditer(test_str) for match_num, match in enumerate(matches, start=1): print(f"Match {match_num} was found at {match.start()}-{match.end()}: {match.group()}") for group_num, group in enumerate(match.groups(), start=1): print(f"Group {group_num} found at {match.start(group_num)}-{match.end(group_num)}: {group}")

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 Python, please visit: https://docs.python.org/3/library/re.html