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

/
/
g

Test String

Code Generator

Language

Generated Code

const regex = /(?<=")[^"]+?\.xml(?=")/g; // Alternative syntax using RegExp constructor // const regex = new RegExp('(?<=")[^"]+?\\.xml(?=")', 'g') const str = `[],"bitrate":0,"duration":0.0,"format":"JPEG","height"z614,"lanquage":"","width":1536,"assetTypeIds": ["http://data.media.theplatform.eu/media/data/AssetType/4480581423"],"assetTypes": xnfl AA' v x ["hero_1536x614"],"serverId"z"http://data.media.theplatform.eu/media/data/Server/4538437053","streamingUrl":"httpzllmena-imq-cdn- lb.aws.playco.com/Sony/OUTLANDERYZO148028001/OUTLANDERY2014SOZEo01-1536x614-DHE.jpg","protectionScheme":""}, {"id"z"http://data.media.theplatform.eu/media/data/MediaFile/114391621220","downloadUrl":"","releases": [],"bitrate":0,"duration":0.0,"format":"JPEG","height"z324,"lanquage":"","width":S76,"assetTypeIds":["http://data.media.theplatform.eulmedia/data/AssetType/7849541325"],"assetTypes": ["dsk_tab_screenshot_576x324"1,"serverId":"http://data.media.theplatform.eu/media/data/Server/4S38437053","streamingUrl":"http://mena-img-cdn- lb.aws.playco.com/Sony/OUTLANDERYZO148028001/OUTLANDERY2014SOZEo01-576x324-LSD.jpg","protectionScheme":""}, {"id"z"http://data.media.theplatform.eu/media/data/MediaFile/117352517052","downloadUrl":"","releases": [],"bitrate":0,"duration":0.0,"format":"JPEG","height"z370,"lanquage":"","width"z250,"assetTypeIds": ["http://data.media.theplatform.eu/media/data/AssetType/14487621229"],"assetTypes": ["ooredoo_poster_25ox370_Proqram"],"serverId"z"http://data.media.theplatform.eu/media/data/Server/11680325311","streamingUrl":"http://distribution- ooredoo.83.amazonaws.com/Sony/EPISODES/STZ_OUTLANDERY20148028001/STZ_OUTLANDERY20148028001_25ox370_PST.jpg","protectionScheme":""}, {"id"z"http://data.media.theplatform.eu/media/data/MediaFile/117352517066","downloadUrl":"","releases": [],"bitrate":0,"duration":0.0,"format":"JPEG","height"z370,"lanquage":"","width"z250,"assetTypeIds": ["http://data.media.theplatform.eu/media/data/AssetType/14487621228"],"assetTypes": ["ooredoo_poster_25ox370_Season"],"serverId"z"http://data.media.theplatform.eu/media/data/Server/l1680325311","streamingUrl":"http://distribution- ooredoo.83.amazonaws.com/Sony/SERIES/STZ_OUTLANDERY2014802/STZ_OUTLANDERY2014802_25ox370_PST.jpg","protectionScheme":""}]},{"ratings": [],"mediaId":"http://data.media.theplatform.eu/media/data/Media/114389573291","mediaTitle":"Je Suis Prest","mediacuid"z"OUTLANDERY2014SOZEo09","availableDate":"2016-07- 01T10:4lz","content":[{"id"z"http://data.media.theplatform.eu/media/data/MediaFile/114391109180","downloadUrl":"","releases": [{"pid":"chroPmeUeyk","url"z"http://link.theplatform.eu/s/anAph/chroPmeUeyk","restrictionld":""}],"bitrate":0,"duration":0.0,"format":"Filmstrip","height":110,"language":"en","wid th":199,"assetTypeIds":["http://data.media.theplatform.eu/media/data/AssetType/5416517342"],"assetTypes": ["filmstrip_199x110"],"serverId"z"http://data.media.theplatform.eu/media/data/Server/4538437053","streamingUrl":"http://mena-img-cdn- lb.aws.playco.com/Sony/OUTLANDERYZO148028009/OUTLANDERY2014SOZEo09.fs","protectionScheme":""}, {"id"z"http://data.media.theplatform.eu/media/data/MediaFile/114446917184","downloadUrl":"","releases": [{"pid":"9pryBMkmeo","url"z"http://link.theplatform.eu/s/anAph/QpryBMkmeo","restrictionld":""}],"bitrate":0,"duration":0.0,"format":"DFXP","height":0,"lanquage":"ar","width":0," assetTypeIds"z["http://data.media.theplatform.eu/media/data/AssetType/23575621096"],"assetTypes"z["dfxp_ar_vu"1,"serverId":"","streamingUrl":"http://mena-jit-cdn-lb.aws.playco.com/JIT/sony/OUTLANDERY2014S02E009/DRM/942f9636aea1289badf655d9f340cc65936e4660/OUTLANDERY2014S02E009.xml" , "protectionScheme":""},`; // Reset `lastIndex` if this regex is defined globally // regex.lastIndex = 0; let m; while ((m = regex.exec(str)) !== null) { // This is necessary to avoid infinite loops with zero-width matches if (m.index === regex.lastIndex) { regex.lastIndex++; } // The result can be accessed through the `m`-variable. m.forEach((match, groupIndex) => { console.log(`Found match, group ${groupIndex}: ${match}`); }); }

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 JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions