[sed] Replace String in Directory

Question:

Replace strings of the pattern gettext('Archives', DEFAULT_LANG) with 'Archives'|gettext(DEFAULT_LANG) in HTML files under template/ directory.

Answer(inspired by [2], [4], and [5]):

$ cd template/
$ find -type f -name '*.html' | xargs sed -i "s/gettext('\(.*\)', /'\1'|gettext(/g"

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References:

[1]	sed process multiple files - Google search sed process multiple files - DuckDuckGo search sed process multiple files - Bing search sed process multiple files - Yahoo search sed process multiple files - Baidu search sed process multiple files - Yandex search

[2]	sed - Change multiple files - Stack Overflow

[3]	sed single quote - Google search sed single quote - DuckDuckGo search sed single quote - Bing search sed single quote - Yahoo search sed single quote - Baidu search sed single quote - Yandex search

[4]	escaping - How to escape single quote in sed? - Stack Overflow

[5]	xgettext Extract Translatable Strings From Golang html/template