我正在尝试构建完美的亚马逊链接正则表达式以在 JavaScript 中使用。这是我到目前为止所拥有的:
var reg = /https?:\/\/(www|smile)\.amazon\.com\/(?:(?:[\w-]+\/)?(?:dp|gp\/product)\/(\w{10})\/)?/;
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我希望它能够完整匹配以下所有网址:
http://smile.amazon.com/dp/B0005ZH4QI/?tag=menasheh02-20&psc=1&smid=ATVPDKIKX0DER
http://www.amazon.com/gp/family/signup/info/?ie=UTF8&camp=1789&creative=9325&linkCode=ur2&ref_type=generic&refcust=5FNWKEJKP63HFBSY6JGLXL4XIQ&tag=menasheh02-20&linkId=HR76ZTGJKWO5ED2N
http://www.amazon.com/gp/redirect.html?ie=UTF8&location=https%3A%2F%2Fwww.amazon.com%2Fgp%2Fsubscribe-and-save%2Fmanager%2Fviewsubscriptions%3Fie%3DUTF8%26ref_%3Dya%255FT15%255F33&tag=menasheh02-20&linkCode=ur2&camp=1789&creative=390957
http://www.amazon.com/gp/student/signup/info?ie=UTF8&refcust=7EATHY4IXOFTTEMLIHVC3YL6DI&ref_type=generic
http://www.amazon.com/gp/video/primesignup?tag=menasheh02-20
https://smile.amazon.com/dp/B0005ZH4QI/?tag=menasheh02-20&psc=1&smid=ATVPDKIKX0DER
https://smile.amazon.com/s/ref=s9_acss_gb_cg_HTLLPCGB_3d1?fst=as%3Aoff&rh=n%3A165793011%2Cn%3A!2334111011%2Cn%3A!2334173011%2Cn%3A15539865011%2Cp_n_age_range%3A165936011%2Cp_72%3A1248963011&bbn=15539865011&ie=UTF8&qid=1476851901&rnid=1248961011&pf_rd_m=ATVPDKIKX0DER&pf_rd_s=events-center-c-4&pf_rd_r=8MKN8SY6C5ZP4NC1C0RB&pf_rd_t=701&pf_rd_p=e4acec8d-70de-466a-be44-05291b40a5d4&pf_rd_i=HTL_desktop
https://www.amazon.com/b/ref=s9_acss_gb_cg_HTLLPCGB_11a1?node=13521759011&pf_rd_m=ATVPDKIKX0DER&pf_rd_s=events-center-c-4&pf_rd_r=8MKN8SY6C5ZP4NC1C0RB&pf_rd_t=701&pf_rd_p=e4acec8d-70de-466a-be44-05291b40a5d4&pf_rd_i=HTL_desktop
https://www.amazon.com/Doctor-Vortex-Manipulator-Sonic-Screwdriver/dp/B001PR1ZII/ref=gbph_tit_e-7_fb02_fc8a0d34?smid=AOUT97QIB451U&pf_rd_p=8e268714-ad3d-444b-b0df-d51d8825fb02&pf_rd_s=events-center-c-7&pf_rd_t=701&pf_rd_i=HTL_desktop&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=8MKN8SY6C5ZP4NC1C0RB
https://www.amazon.com/dp/B0005ZH4QI/?tag=menasheh02-20&psc=1&smid=ATVPDKIKX0DER
https://www.amazon.com/gp/coupon/skippy-baking-sale/A2UI00T2I5JAV3?ie=UTF8&heroAsin=B0005ZH4QI&source=grid_db_13285418011&pf_rd_p=782d30de-8b22-4b3d-9009-0f7a0cb995d3&pf_rd_s=merchandised-search-3&pf_rd_t=Landing&pf_rd_i=13285418011&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=PPNJHXVZRMM4XP9KXGGG
https://www.amazon.com/Monster-High-School-Playset/dp/B006O6F932/ref=gbph_tit_e-7_fb02_85d3d028?smid=A3CXJV2JYTL237&pf_rd_p=8e268714-ad3d-444b-b0df-d51d8825fb02&pf_rd_s=events-center-c-7&pf_rd_t=701&pf_rd_i=HTL_desktop&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=8MKN8SY6C5ZP4NC1C0RB
https://www.amazon.com/s/ref=s9_acss_gb_cg_HTLLPCGB_3d1?fst=as%3Aoff&rh=n%3A165793011%2Cn%3A!2334111011%2Cn%3A!2334173011%2Cn%3A15539865011%2Cp_n_age_range%3A165936011%2Cp_72%3A1248963011&bbn=15539865011&ie=UTF8&qid=1476851901&rnid=1248961011&pf_rd_m=ATVPDKIKX0DER&pf_rd_s=events-center-c-4&pf_rd_r=8MKN8SY6C5ZP4NC1C0RB&pf_rd_t=701&pf_rd_p=e4acec8d-70de-466a-be44-05291b40a5d4&pf_rd_i=HTL_desktop
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而这些都不是:
https://www.google.com/search?safe=active&site=&source=hp&q=bad+regex&oq=bad+regex&gs_l=hp.3..0j0i22i30k1l9.724.2089.0.2265.10.9.0.0.0.0.269.1091.0j4j2.6.0....0...1c.1.64.hp..4.5.821.0..0i20k1j0i131k1j0i10k1.k62wRudUpsw
https://sellercentral.amazon.com/B53C945A8D?randomstuff=34341&otherrandomstuff=2
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现在,它与任何一个坏的都不匹配——那部分相对简单。(它也不匹配其中的 url gp/redirect.html?
。) 棘手的部分是让匹配项分别返回 url 的每个有用部分,特别是考虑到 if/elses 和 #。
# 在职的 #
match[1]
应等于“www”或“微笑”。
match[2]
应等于 ASIN,或者如果网址没有/dp/%ASIN%
、%SEO-string%/dp/%ASIN%
或 则为空/gp/product/%ASIN%
match[3]
应等于 .com 之后的其余网址,或者如果设置了 ASIN,则应等于产品之后的其余网址,但末尾不包含 #
match[4]
应该等于从 match[3] 开始到tag=
,如果存在的话。
match[5]
应等于标签参数(如果存在)
match[6]
应等于 tag 参数(如果存在;否则为空)和 #(如果存在,否则结束)之间的其余 url
match[7]
应等于末尾的 # 及其后的任何内容,如果没有则为空白
我刚刚进入更复杂的正则表达式,并且陷入了一些问题,例如如果有 # 等,则不会一直走到行尾。
有更有经验的人可以帮忙吗?谢谢。
试试这个与 JavaScript 一起使用的正则表达式:
https?:\/\/(?=(?:....)?amazon|smile)(www|smile)\S+com(((?:\/(?:dp|gp)\/([A-Z0-9]+))?\S*[?&]?(?:tag=))?\S*?)(?:#)?(\w*?-\w{2})?(\S*)(#?\S*)+
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我做了一点改变:
匹配[3] & 匹配[4] = 匹配[2] & 匹配[3]
匹配[2] = 匹配[4]。
希望能帮助到你。
演示: https: //regex101.com/r/sT2wj8/2
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