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reproduction steps
using Scala 2.12 or 2.13
objectMain {defmain(args:Array[String]):Unit= {valRegScala213= ("\""+"""([^"\x00-\x1F\x7F\\]|\\[\\'"bfnrt]|\\u[a-fA-F0-9]{4})*"""+"\"").r// Scala 2.13//val RegScala211 = ("\""+"""([^"\p{Cntrl}\\]|\\[\\'"bfnrt]|\\u[a-fA-F0-9]{4})*+"""+"\"").r // Scala 2.11 val query = """"https://www.mywebsite.com/house/c/horses/302?warehouses=7fe2f2dd-c1ea-4661-acf6-e55fa1d9368a%2C72f2d9f8-d659-4f14-bb52-26d84f6979aa%2C17f49ed9-204a-42b3-8bf9-fc84e9829881%2C5dbe9433-2093-4112-a21b-4c7bcb718e3e%2C6e998dbb-3de7-4215-a7b9-859b8548993d%2Ce7e3e675-f6e0-475f-892a-f4386eef7d28%2Cf06146f4-7405-4c05-a6d9-83cebbd09951%2Cf9d770c9-a575-4020-b2ba-e9c4c4db47c7%2C36386fef-3abf-483b-a74d-b0de2974cea3%2C92707102-f711-46e3-a071-212c18f00ef3%2C44703d29-3dec-4bfd-b4ee-babdf3803348%2C96f9d86f-e487-44cd-9ae4-eb15518950ec%2C05edda44-e4ef-44ea-9838-71633643373a%2Cd70690e4-c35f-4647-9610-7d2b83fbac49%2C6b8afc90-f2a1-41f5-9532-2d6ab4d71b62%2C0626f9b9-b7e4-422c-9093-c3ae416053da%2C3e8a8728-f984-4b6a-a72a-4d354ed685b9%2C83101da9-5033-4bc6-bafb-23de37ba7fc8%2Cf8fe11a3-f1dd-44bd-8ed5-26850b1b85a6%2C314561b7-4c79-4a2c-84dd-c6b992a72c60%2Ca5094218-73f3-41bf-898a-f754afebf5fb%2Cf9ceaba7-5b53-41df-b6d4-649052b02474%2C1a8f1a4c-0598-427e-af75-2cf6cc3d23d1%2C192e0835-a51f-4618-b05c-840b50e3ccc9%2C641c6ab1-e2c0-4741-b694-d9b69a62e1d3%2Cddeaa4c6-463f-422f-bb57-e63c569dcfe6%2C93e970cf-d3c3-458d-9733-77d76dadf45b%2C694d6700-393b-438a-9f65-f4560e5f8fc8%2C6ca55c3d-3600-4d24-ac1c-5e3e1dee13fe%2Cd1e631aa-5ffc-4bd8-8032-d8bbb7e37139%2C5902c655-d859-4b84-a1d3-32c7532ea05c%2C53a635df-0ab0-48ff-baa2-970f0e3a5894%2Cfdc858c0-3436-4717-a04c-49f43692ebaa%2Cb3e8d8c0-abba-4ae2-8297-0200076fe01e%2C16c4d84b-7e44-4cac-ae90-e4a807be480b%2Ca629e7a1-e7b7-4dd8-86b2-578ec3f67bef%2Cc2f15ee4-f768-42fd-84d7-8fe03bc2e850%2C913e78ee-b019-49c6-9cdd-b0c708135c10%2C92f5b8c7-f458-4d3d-941f-453110cad138%2Cb22f1cad-2242-44a5-a97d-8094f4149e5f%2Cc2164749-f6f0-4f64-92ae-f59dd2aa29e5%2C722f2065-f32e-43a3-b706-d790d727a969%2C06e98486-1c4d-4cb4-9e70-d0ccaf40f571%2C8da3be85-4bfc-40e0-898e-cd87932801c7%2C4558f17f-1f67-49ee-9a4d-6a8ee6a18d23%2C0aa5a074-60dd-4cad-a30b-ba2c8f67f6f4%2C90baddd2-4ca2-49a1-bd4f-6845d3784574%2C87049a4e-ca40-414d-80f2-f6c566d62cd2%2C8b2b73b6-c727-4812-8cc4-12efd8f44a30%2C2c5d9b5e-6a90-489d-9306-dd2519a53da4%2C2ecbb252-71e7-4cc7-9096-d8149596ce45%2Cc27cee97-f090-4145-b8db-8bbdde30b779%2Cd4489788-33eb-4da0-9ded-2a764deb6048%2C89c0d271-4d70-43a6-8929-594b2298401d%2C0fe8b049-1e1d-4aff-be7a-7acdef611922%2Cbcc68252-e898-49f9-ac92-4d0e2f32af42%2Cc98e1b16-ed87-40ab-8b8c-86537b62b9f5%2C9296f4ea-81ed-49da-aa4f-59bbffa0848d%2C9343c619-5688-4e68-a9bb-0a1c3a84a188%2C9dd47b8a-6e75-4de3-aec3-b26cd5107cfc%2C8033b59e-23ef-4903-8bb6-0e6124aabff9%2Cca05fc7d-e5c5-42a6-b4b0-4f4bee81f517%2Cedf7dcfd-95d2-4af8-af58-a1c7c04d19f0%2C920720e5-0938-4f20-a2ba-8336dce283ab%2C13a9252b-a946-479e-ae6e-a80bc1d36d89%2Cf106f107-3f5c-4f09-992d-a4f8c754ad59%2C19de97a3-f55e-4aa8-9dfd-92be2a3366b3%2Ce28fb8a9-f362-4c3a-b3ae-b65acc2aed70%2C1f48c19a-4746-475d-a16d-3a4e8ca678a8%2C6dec5d60-e3ab-46d2-af77-04899d3d4ba7%2Cd34d11ba-5bcc-4958-8902-a2809d4841bd%2C13c76c21-64b9-4aea-917b-2b6fe93f832a%2C53a8c21c-7f10-40fc-9bfb-a7031747ba77%2C604a764a-9916-4006-b4c7-6cdd8d11de98%2C8c62146e-db90-4b4b-bb76-80b53500152f%2Cb3232b20-487e-4364-b829-8adb45463ad0%2C47b5438b-b883-4491-8a0c-664c577c0b2a%2C791341e5-67bb-4f60-98f9-1be7e161d28b%2Cbe28b8ce-d90d-4248-9da2-fee319d68641%2C3e8d191c-6226-4dcb-ac9b-ca6693b42c3d%2Cbd576b40-5b69-4d7c-b093-bfa69b90cc0d%2Ca3631cba-abe9-4394-b1e5-9291feb371df&cursor=WyIyMDIxLTA0LTA4IDA1OjU2OjE3LjA4MjUyNyswMDowMCIsICJDdWUgV29tZW5zIFNpemUgMTAgU2hpcnRzICYgQmxvdXNlcyBNYXJvb24vU3RyaXBlZCAiLCAiY3VlLXdvbWVucy1zaXplLTEwLXNoaXJ0cy1ibG91c2VzLW1hcm9vbnN0cmlwZWQiXQ%3D%3D","https://www.salvosstores.com.au/shop/c/womens/302?warehouses=7fe2f2dd-c1ea-4661-acf6-e55fa1d9368a%2C72f2d9f8-d659-4f14-bb52-26d84f6979aa%2C17f49ed9-204a-42b3-8bf9-fc84e9829881%2C5dbe9433-2093-4112-a21b-4c7bcb718e3e%2C6e998dbb-3de7-4215-a7b9-859b8548993d%2Ce7e3e675-f6e0-475f-892a-f4386eef7d28%2Cf06146f4-7405-4c05-a6d9-83cebbd09951%2Cf9d770c9-a575-4020-b2ba-e9c4c4db47c7%2C36386fef-3abf-483b-a74d-b0de2974cea3%2C92707102-f711-46e3-a071-212c18f00ef3%2C44703d29-3dec-4bfd-b4ee-babdf3803348%2C96f9d86f-e487-44cd-9ae4-eb15518950ec%2C05edda44-e4ef-44ea-9838-71633643373a%2Cd70690e4-c35f-4647-9610-7d2b83fbac49%2C6b8afc90-f2a1-41f5-9532-2d6ab4d71b62%2C0626f9b9-b7e4-422c-9093-c3ae416053da%2C3e8a8728-f984-4b6a-a72a-4d354ed685b9%2C83101da9-5033-4bc6-bafb-23de37ba7fc8%2Cf8fe11a3-f1dd-44bd-8ed5-26850b1b85a6%2C314561b7-4c79-4a2c-84dd-c6b992a72c60%2Ca5094218-73f3-41bf-898a-f754afebf5fb%2Cf9ceaba7-5b53-41df-b6d4-649052b02474%2C1a8f1a4c-0598-427e-af75-2cf6cc3d23d1%2C192e0835-a51f-4618-b05c-840b50e3ccc9%2C641c6ab1-e2c0-4741-b694-d9b69a62e1d3%2Cddeaa4c6-463f-422f-bb57-e63c569dcfe6%2C93e970cf-d3c3-458d-9733-77d76dadf45b%2C694d6700-393b-438a-9f65-f4560e5f8fc8%2C6ca55c3d-3600-4d24-ac1c-5e3e1dee13fe%2Cd1e631aa-5ffc-4bd8-8032-d8bbb7e37139%2C5902c655-d859-4b84-a1d3-32c7532ea05c%2C53a635df-0ab0-48ff-baa2-970f0e3a5894%2Cfdc858c0-3436-4717-a04c-49f43692ebaa%2Cb3e8d8c0-abba-4ae2-8297-0200076fe01e%2C16c4d84b-7e44-4cac-ae90-e4a807be480b%2Ca629e7a1-e7b7-4dd8-86b2-578ec3f67bef%2Cc2f15ee4-f768-42fd-84d7-8fe03bc2e850%2C913e78ee-b019-49c6-9cdd-b0c708135c10%2C92f5b8c7-f458-4d3d-941f-453110cad138%2Cb22f1cad-2242-44a5-a97d-8094f4149e5f%2Cc2164749-f6f0-4f64-92ae-f59dd2aa29e5%2C722f2065-f32e-43a3-b706-d790d727a969%2C06e98486-1c4d-4cb4-9e70-d0ccaf40f571%2C8da3be85-4bfc-40e0-898e-cd87932801c7%2C4558f17f-1f67-49ee-9a4d-6a8ee6a18d23%2C0aa5a074-60dd-4cad-a30b-ba2c8f67f6f4%2C90baddd2-4ca2-49a1-bd4f-6845d3784574%2C87049a4e-ca40-414d-80f2-f6c566d62cd2%2C8b2b73b6-c727-4812-8cc4-12efd8f44a30%2C2c5d9b5e-6a90-489d-9306-dd2519a53da4%2C2ecbb252-71e7-4cc7-9096-d8149596ce45%2Cc27cee97-f090-4145-b8db-8bbdde30b779%2Cd4489788-33eb-4da0-9ded-2a764deb6048%2C89c0d271-4d70-43a6-8929-594b2298401d%2C0fe8b049-1e1d-4aff-be7a-7acdef611922%2Cbcc68252-e898-49f9-ac92-4d0e2f32af42%2Cc98e1b16-ed87-40ab-8b8c-86537b62b9f5%2C9296f4ea-81ed-49da-aa4f-59bbffa0848d%2C9343c619-5688-4e68-a9bb-0a1c3a84a188%2C9dd47b8a-6e75-4de3-aec3-b26cd5107cfc%2C8033b59e-23ef-4903-8bb6-0e6124aabff9%2Cca05fc7d-e5c5-42a6-b4b0-4f4bee81f517%2Cedf7dcfd-95d2-4af8-af58-a1c7c04d19f0%2C920720e5-0938-4f20-a2ba-8336dce283ab%2C13a9252b-a946-479e-ae6e-a80bc1d36d89%2Cf106f107-3f5c-4f09-992d-a4f8c754ad59%2C19de97a3-f55e-4aa8-9dfd-92be2a3366b3%2Ce28fb8a9-f362-4c3a-b3ae-b65acc2aed70%2C1f48c19a-4746-475d-a16d-3a4e8ca678a8%2C6dec5d60-e3ab-46d2-af77-04899d3d4ba7%2Cd34d11ba-5bcc-4958-8902-a2809d4841bd%2C13c76c21-64b9-4aea-917b-2b6fe93f832a%2C53a8c21c-7f10-40fc-9bfb-a7031747ba77%2C604a764a-9916-4006-b4c7-6cdd8d11de98%2C8c62146e-db90-4b4b-bb76-80b53500152f%2Cb3232b20-487e-4364-b829-8adb45463ad0%2C47b5438b-b883-4491-8a0c-664c577c0b2a%2C791341e5-67bb-4f60-98f9-1be7e161d28b%2Cbe28b8ce-d90d-4248-9da2-fee319d68641%2C3e8d191c-6226-4dcb-ac9b-ca6693b42c3d%2Cbd576b40-5b69-4d7c-b093-bfa69b90cc0d%2Ca3631cba-abe9-4394-b1e5-9291feb371df&cursor=WyIyMDIxLTA0LTA4IDA1OjU2OjE3LjA4MjUyNyswMDowMCIsICJDdWUgV29tZW5zIFNpemUgMTAgU2hpcnRzICYgQmxvdXNlcyBNYXJvb24vU3RyaXBlZCAiLCAiY3VlLXdvbWVucy1zaXplLTEwLXNoaXJ0cy1ibG91c2VzLW1hcm9vbnN0cmlwZWQiXQ%3D%3D""""RegScala213.findAllMatchIn(query).toSeq }}
problem
In the process of upgrading scala from 2.11 to 2.13, we are now hitting aStackOverflow error when using the scala parser combinator with the exact same code.
After investigating that issue, it turns out this is related to a change made on the stringLiteral parser regex.
In scala 2.11, the regex was("\""+"""([^"\p{Cntrl}\\]|\\[\\'"bfnrt]|\\u[a-fA-F0-9]{4})*+"""+"\"").r and now it's("\""+"""([^"\x00-\x1F\x7F\\]|\\[\\'"bfnrt]|\\u[a-fA-F0-9]{4})*"""+"\"").r.
The commit that changed the regex is98737a2#diff-bce6263cece0f67933d12d2f709294696de6c553a335a8123819f0f97aa6587bL52.
The PR description states:We also removed an invalid (and useless) + at the end of the regexp.
I'm not sure to get why the+ is invalid. Can someone give me more details?
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