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

Substitution

Processing...

Code Generator

Generated Code

# If you'd like to omit non-matching lines from the result; add ';d' to the end of the expression. sed -E 's/(?<="aspectRatio"\:\s\")\d+:\d+//g;t' <<< "{ \"timeline\": { \"background\": \"#---secondaryColor---\", \"fonts\": [ { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Arial-Black.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Arial-BoldItalicMT.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Arial-BoldMT.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Arial-ItalicMT.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Arial.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/ArialNarrow-Bold.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/ArialNarrow-BoldItalic.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/ArialNarrow-Italic.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/ArialNarrow.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Caveat-Regular.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Georgia-Bold.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Georgia-BoldItalic.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Georgia-Italic.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Georgia.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Nunito-Black.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Nunito-BlackItalic.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Nunito-Bold.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Nunito-BoldItalic.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Nunito-ExtraBold.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Nunito-ExtraBoldItalic.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Nunito-ExtraLight.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Nunito-ExtraLightItalic.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Nunito-Italic.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Nunito-Light.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Nunito-LightItalic.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Nunito-Regular.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Nunito-SemiBold.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/Nunito-SemiBoldItalic.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/TimesNewRomanPS-BoldItalicMT.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/TimesNewRomanPS-BoldMT.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/TimesNewRomanPS-ItalicMT.ttf\" }, { \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/fonts/TimesNewRomanPSMT.ttf\" } ], \"tracks\": [ { \"clips\": [ { \"asset\": { \"type\": \"html\", \"html\": \"<p>---eventName---</p><p class='date'>---openHouseDate---</p>\", \"css\": \"p {font-family: '---primaryFont---'; text-align: center; ---primaryFontStyle---; color: #---secondaryColor---; font-size: 90px; line-height: 80%;} .date {font-size: 40px}\", \"width\": 1080, \"height\": 200 }, \"start\": 0, \"length\": 4, \"position\": \"top\", \"offset\": { \"y\": 0.02 } } ] }, { \"clips\": [ { \"asset\": { \"type\": \"html\", \"html\": \"<p class='address'>---propertyAddress---</p><p>---bedAmount--- Bed | ---bathAmount--- Bath</p><p>---propertySurface---</p><p>---currentPrice---</p>\", \"css\": \"p {color: #---primaryColor---; text-align: center; font-size: 40px; ---primaryFontStyle---; font-family: '---primaryFont---'; line-height: 80%;} .address {font-size: 60px}\", \"width\": 980, \"height\": 320, \"background\": \"#---secondaryColor---\" }, \"start\": 0, \"length\": 4, \"position\": \"bottom\" } ] }, { \"clips\": [ { \"asset\": { \"type\": \"luma\", \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/luma/Template31-22-1080x1350.jpg\" }, \"start\": 0, \"length\": 4 }, { \"asset\": { \"type\": \"html\", \"html\": \"<div></div>\", \"background\": \"#---primaryColor---\", \"width\": 1080, \"height\": 1350 }, \"start\": 0, \"length\": 4, \"position\": \"center\" } ] }, { \"clips\": [ { \"asset\": { \"type\": \"html\", \"html\": \"<p></p>\", \"width\": 95, \"height\": 695, \"background\": \"#---secondaryColor---\" }, \"start\": 0, \"length\": 4, \"position\": \"bottomLeft\" } ] }, { \"clips\": [ { \"asset\": { \"type\": \"html\", \"html\": \"<p></p>\", \"width\": 95, \"height\": 695, \"background\": \"#---secondaryColor---\" }, \"start\": 0, \"length\": 4, \"position\": \"bottomRight\" } ] }, { \"clips\": [ { \"asset\": { \"type\": \"image\", \"src\": \"---propertyPhoto1---\" }, \"start\": 0, \"length\": 4, \"position\": \"bottom\", \"fit\": \"crop\", \"scale\": 0.8, \"transition\": { \"in\": \"carouselUpSlow\" }, \"offset\": { \"y---horizontalPhoto1---\": 0.24, \"y---verticalPhoto1---\": 0.15 } } ] }, { \"clips\": [ { \"asset\": { \"type\": \"html\", \"html\": \"<p></p>\", \"width\": 1080, \"height\": 655, \"background\": \"#---primaryColor---\" }, \"start\": 0, \"length\": 4, \"position\": \"top\" } ] }, { \"clips\": [ { \"asset\": { \"type\": \"html\", \"html\": \"<p>---callToAction---</p>\", \"css\": \"p {color: #000000; font-size: 58px; ---secondaryFontStyle---; font-family: '---secondaryFont---'}\", \"width\": 900, \"height\": 200 }, \"start\": 4, \"length\": 3, \"position\": \"top\", \"transition\": { \"in\": \"fade\" } }, { \"asset\": { \"type\": \"html\", \"html\": \"<p class='big'>---agentFirstName--- ---agentLastName---</p><p>---agentTitle---</p><p>---agentEmail---</p><p>---agentPhone---</p><p class='small'><br />---agentFirmName---<br />---agentFirmAddress---<br />---agentFirmWebsite---</p>\", \"css\": \"p {color: #000000; font-size: 30px; ---secondaryFontStyle---; font-family: '---secondaryFont---'; margin-top: 0; margin-bottom: 0} .big {font-size: 58px} .small {font-size: 24px}\", \"width\": 900, \"height\": 540 }, \"start\": 4, \"length\": 3, \"position\": \"bottom\", \"offset\": { \"y\": 0.02 }, \"transition\": { \"in\": \"fade\" } } ] }, { \"clips\": [ { \"asset\": { \"type\": \"luma\", \"src\": \"https://perry-template-assets.s3.us-east-2.amazonaws.com/luma/circle-1080x1350agent.jpg\" }, \"start\": 4, \"length\": 3 }, { \"asset\": { \"type\": \"html\", \"html\": \"<div></div>\", \"background\": \"#D9---secondaryColor---\", \"width\": 1080, \"height\": 1350 }, \"start\": 4, \"length\": 3, \"position\": \"center\" } ] }, { \"clips\": [ { \"asset\": { \"type\": \"image\", \"src\": \"---agentPhoto---\" }, \"start\": 4, \"length\": 3, \"fit\": \"crop\", \"scale---horizontalAgentPhoto---\": 0.5, \"scale---verticalAgentPhoto---\": 0.6, \"position\": \"top\", \"offset\": { \"y---horizontalAgentPhoto---\": -0.12, \"y---verticalAgentPhoto---\": -0.135 }, \"transition\": { \"in\": \"fadeFast\" } } ] } ], \"cache\": true }, \"output\": { \"format\": \"mp4\", \"resolution\": \"1080\", \"aspectRatio\": \"4:5\", \"quality\": \"medium\", \"poster\": { \"capture\": 2 }, \"destinations\": [ { \"provider\": \"shotstack\", \"exclude\": true } ] } }"

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 SED, please visit: https://www.gnu.org/software/sed/manual/html_node/The-_0022s_0022-Command.html