Как получить значение из регулярного выражения

 import re
    
    timeCreatedSeconds = re.findall("""['"]timeCreatedSeconds['"]\s*:\s*['"]\s*\d+\s*['"]""",zalupa,flags=re.I)
    t_1 = re.findall(r'\d+', timeCreatedSeconds[0])
    t_2 = t_1.pop(0)
    print(t_2)

import re

data = """
<script nonce="VI02iPIKC-XX7AnGIE5ITg">
     window.chunkedPrefetchResolvers['id-0'].resolve({"channelId":"UC8tmcuV2H191ve_ff6onWrw","title":"saad saad","thumbnailDetails":{"thumbnails":[{"url":"https://yt3.ggpht.com/ytc/AKedOLQOdUKfoW6UFWuqAsj8MOXrTthI4y_OUi63thHFMOpNKkQaxlnVomH8SVJaSQcy=s48-c-k-c0x00ffffff-no-rj","width":48,"height":48},{"url":"https://yt3.ggpht.com/ytc/AKedOLQOdUKfoW6UFWuqAsj8MOXrTthI4y_OUi63thHFMOpNKkQaxlnVomH8SVJaSQcy=s88-c-k-c0x00ffffff-no-rj","width":88,"height":88},{"url":"https://yt3.ggpht.com/ytc/AKedOLQOdUKfoW6UFWuqAsj8MOXrTthI4y_OUi63thHFMOpNKkQaxlnVomH8SVJaSQcy=s176-c-k-c0x00ffffff-no-rj","width":176,"height":176}]},"features":{"unlistedVideo":{"status":"CREATOR_FEATURE_STATUS_ENABLED"},"customThumbnails":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"channelCreativeCommonsLicense":{"status":"CREATOR_FEATURE_STATUS_ENABLED"},"legacyNoOffwebSyndication":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"audioOnlyUsage":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"merchandising":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"usagePolicy":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"liveChat":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"posts":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"sponsorships":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"sponsorshipsWhitelisted":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"sponsorsOnlyVideos":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"sponsorsOnlyLiveChat":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"copycat":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"merchandisingActive":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"donations":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"liveStreaming":{"status":"CREATOR_FEATURE_STATUS_DISABLED","requirements":{"mustTrustTiersVerify":true,"mustSignLiveTermsOfService":false}},"famebit":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"reels":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"mentions":{"status":"CREATOR_FEATURE_STATUS_ENABLED"},"liveToAnyMatching":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"liveToLiveOnlyMatching":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"externalLinksInVideoAnnotations":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"unlimitedVideoLengthFeature":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"contentIdMatching":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"selfCertification":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"externalLinksInVideoAnnotationsTermsAccepted":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"restrictScheduledVisibilityTimes":{"status":"CREATOR_FEATURE_STATUS_ENABLED"},"externalLinksInVideoAnnotationsPrivilegedAccess":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"channelRedirectUrl":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"productListingAds":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"conditionalRedirects":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"channelHiding":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"limitedAdsReport":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"adSpecifyAgeGates":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"trustedToApplyForMonetization":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"canHideViewCount":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"enableCustomizePremiereFlow":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"liveRedirect":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"liveTrailer":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"bmEnabled":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"shortsFundBonus":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"sponsorshipsAnalytics":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"enforceTwoStepVerification":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"productsAnalytics":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"sponsorshipsCommentsFilter":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"prechecksNotifications":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"productTagging":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"superThanksCommentsFilter":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"externalLinksInVideoDescription":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"mobileLiveStreaming":{"status":" CREATOR_FEATURE_STATUS_DISABLED"},"supers":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"shoppingAnalytics":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"remixOptOutTos":{"status":"CREATOR_FEATURE_STATUS_ENABLED"},"remixOptOutTorso":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"pangea":{"status":"CREATOR_FEATURE_STATUS_DISABLED"},"firstAndThirdPartyTagging":{"status":"CREATOR_FEATURE_STATUS_DISABLED"}},"settings":{"studio":{"currency":"USD"},"coreSettings":{"disableInterestBasedAds":false,"enableVideoAdControl":false,"featureCountry":"DZ"}},"responseStatus":{"statusCode":"CREATOR_ENTITY_STATUS_OK"},"metric":{"subscriberCount":"1222","videoCount":"0","totalVideoViewCount":"0"},"permissions":{"overallPermissions":["CREATOR_CHANNEL_PERMISSION_READ","CREATOR_CHANNEL_PERMISSION_BASIC_METADATA_READ","CREATOR_CHANNEL_PERMISSION_VIDEO_READ","CREATOR_CHANNEL_PERMISSION_VIDEO_BASIC_METADATA_READ","CREATOR_CHANNEL_PERMISSION_MONETIZATION_SETTINGS_READ","CREATOR_CHANNEL_PERMISSION_CAPTION_READ","CREATOR_CHANNEL_PERMISSION_SETTINGS_MANAGE","CREATOR_CHANNEL_PERMISSION_USER_MANAGE","CREATOR_CHANNEL_PERMISSION_WRITE","CREATOR_CHANNEL_PERMISSION_CAPTION_WRITE","CREATOR_CHANNEL_PERMISSION_CONTRACT_SIGN","CREATOR_CHANNEL_PERMISSION_COMMENT_MANAGER","CREATOR_CHANNEL_PERMISSION_CHANNEL_OWNER"]},"timeCreatedSeconds":"1638816207","isMonetized":false,"isOfficialArtistChannel":false,"isNameVerified":false,"channelVisibility":"CREATOR_CHANNEL_VISIBILITY_PUBLIC","interstitials":{"yppWarmWelcomeState":"CREATOR_WARM_WELCOME_STATE_UNKNOWN"},"monetizationStatusData":{"isMonetizationBasicsReady":false,"isLongformAdsEnabled":false}});
  </script>
"""

res = re.findall(
    r"""['"]timeCreatedSeconds['"]\s*:\s*['"]\s*(\d+)+\s*['"]""", data)

print(res)

Результат: ['1638816207']