ere regex tester - SERP Analysis

https://regex101.com/r/dX8cN8/1

https://regex101.com/r/dX8cN8/1/debugger

https://regex101.com/r/PS2UEX/1

https://www.debuggex.com/r/mTra7UJyPFfTmy6H

https://docs.thousandeyes.com/product-documentation/tests/http-server-tests/posix-extended-regular-expression-syntax

https://regexr.com/

https://www.regextester.com/99203

https://stackabuse.com/regex-tester/

https://www.rsyslog.com/regex/

https://www.regexbuddy.com/

https://regex-generator.olafneumann.org/

https://www.regexplanet.com/advanced/postgresql/index.html

https://www.regexbuddy.com/test.html

http://regex.larsolavtorvik.com/

https://www.ibm.com/docs/en/watson-explorer/11.0.1?topic=queries-posix-regular-expression-syntax-examples

http://regexstorm.net/tester

https://unix.stackexchange.com/questions/780893/is-there-one-regex-tool-following-merely-bre-and-throwing-errors-when-undefined

https://help.alteryx.com/current/en/designer/tools/parse/regex-tool/posix-extended-regular-expression-syntax.html

https://superuser.com/questions/1826891/bash-test-regex-vs-perl-command-result

https://stackoverflow.com/questions/73070152/posix-ere-regex-creating-efficient-regex

https://www.reddit.com/r/commandline/comments/ynz26r/what_regex_syntax_should_i_learn_first_for/

https://en.wikipedia.org/wiki/Regular_expression

https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/V1_chap09.html

https://www.reddit.com/r/regex/comments/k8dnsr/posix_breere_extracting_string/

https://openreplay.com/tools/regex-tester/

https://www.postgresql.org/docs/current/functions-matching.html

https://unix.stackexchange.com/questions/421460/bash-regex-and-https-regex101-com

https://stackoverflow.com/questions/21112707/check-if-a-string-matches-a-regex-in-bash-script

https://docs.snowflake.com/en/sql-reference/functions-regexp

https://www.regular-expressions.info/posix.html

https://www.zytrax.com/tech/web/regex.htm

https://en.wikibooks.org/wiki/Regular_Expressions/POSIX_Basic_Regular_Expressions

https://www.gnu.org/software/sed/manual/html_node/BRE-syntax.html

https://www.oreilly.com/library/view/regular-expressions-cookbook/9781449327453/ch01s03.html

https://github.com/firasdib/Regex101/issues/165

https://docs.icer.msu.edu/Regular_Expressions/

https://learnbyexample.github.io/learn_gnugrep_ripgrep/breere-regular-expressions.html

https://www.eecs.umich.edu/courses/eecs201/fa2021/files/lectures/lec4-regex.pdf

https://www.cyberciti.biz/faq/grep-regular-expressions/

https://apps.apple.com/us/app/patterns-the-regex-app/id429449079?mt=12

https://pressbooks.senecapolytechnic.ca/uli101/chapter/extended-regular-expressions/

https://www.gnu.org/software/findutils/manual/html_node/find_html/posix_002dextended-regular-expression-syntax.html

https://pkg.go.dev/regexp

https://en.wikipedia.org/wiki/Perl_Compatible_Regular_Expressions

https://cheatography.com/davechild/cheat-sheets/regular-expressions/

https://www.freecodecamp.org/news/regular-expressions-for-javascript-developers/

https://www.computerhope.com/unix/regex-quickref.htm

https://learnbyexample.github.io/learn_gnused/breere-regular-expressions.html

https://www.oreilly.com/library/view/regular-expressions-cookbook/9780596802837/ch01s03.html

https://www.regular-expressions.info/alternation.html

https://regex101.com/

https://my.f5.com/manage/s/article/K5917

https://docs.vultr.com/how-to-use-the-egrep-command-in-linux

https://github.com/rsyslog/rsyslog/issues/1102

https://www.regextester.com/107384

http://coldfusion-archive.robgonda.com/blog/index.cfm/2006/3/1/actionscript-regular-expression-class/

https://help.perforce.com/sourcepro/current-eval/HTML/i18n/posix_extended_regular_e.htm

https://rainer.gerhards.net/2008/11/regular-expression-tool-for-rsyslog.html

https://bloggerbacon.amebaownd.com/posts/36916106/

https://aandds.com/blog/lang-regex.html

https://askubuntu.com/questions/805440/why-did-apt-get-install-virtual-box-instead-of-g

https://www.quora.com/How-do-you-match-a-string-against-a-regular-expression-in-JavaScript

https://discourse.pi-hole.net/t/discussion-about-optimal-wildcard-syntax/28501

https://software.cfht.hawaii.edu/man/gnu/grep(1)

https://en.wikibooks.org/wiki/Regular_Expressions/POSIX-Extended_Regular_Expressions

https://news.ycombinator.com/item?id=12384862

https://metacpan.org/pod/re::engine::GNU

https://linuxconfig.org/understanding-regular-expressions

https://www.rsyslog.com/doc/configuration/filters.html

https://pubs.opengroup.org/onlinepubs/9699919799.2018edition/utilities/awk.html

https://docs.snowflake.com/en/sql-reference/functions/like

https://www.quora.com/Whats-the-regular-expression-to-match-a-string-of-exactly-six-numbers

https://heemayl.net/posts/regex-non-greedy-operation-without-non-greedy-operators/

https://askubuntu.com/questions/949326/how-to-include-a-space-character-with-grep

https://news.ycombinator.com/item?id=42974378

https://fossa.com/resources/devops-tools/regex-tester/

https://wiki.archlinux.org/title/Pacman

https://regex101.com/r/nI8xB8/1

https://www.regexlib.com/RETester.aspx