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tyre/path_replace.ex

Last active August 29, 2015 14:10
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path_replace.ex
url = "https://google.com/:bubbles/frosted"
# We want "/:bubbles/" to match, but not "/:bubbles_waffle/" to match
regex = ~r/(\/|\a)\:bubbles(\/|\Z)/
# Sad Times!
# Expect ":bubbles" to be replaced with "33"
String.replace url, regex, "\\133\\2"
# => "https://google.com/frosted"
# Works!
# Expect ":bubbles" to be replaced with " 33 "
String.replace url, regex, "\\1 33 \\2"
# => "https://google.com/ 33 /frosted"
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