Anyone experienced anything like this?

The behavior seems consistent but unexpected. 

python 3.6 on both windows (10) and linux (ubuntu 18.04) seem to exhibit the same odd behavior. 

something about a docker-image looking string seems to trigger this behavior.  The behavior seems as expected for other strings.


Python 3.6.5 |Anaconda, Inc.| (default, Mar 29 2018, 13:32:41) [MSC v.1900 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.


sample_string_1 = "namespace/something-plugin-extra:dev"

print(sample_string_1.lstrip("namespace/something-plugin"))
xtra:dev

print(sample_string_1.lstrip("namespace/something-plug"))
xtra:dev

print(sample_string_1.lstrip("namespace/something-plu"))
xtra:dev

print(sample_string_1.lstrip("namespace/something-pl"))
ugin-extra:dev


sample_string_1 = "namespace/something-plugxx-extra:dev"
print(sample_string_1.lstrip("namespace/something-plugin"))
xx-extra:dev

print(sample_string_1.lstrip("namespace/something-plug"))
xx-extra:dev

print(sample_string_1.lstrip("namespace/something-plu"))
xx-extra:dev

print(sample_string_1.lstrip("namespace/something-pl"))
ugxx-extra:dev



Python 3.6.5 (default, Apr  1 2018, 05:46:30)
[GCC 7.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.


sample_string_1 = "namespace/something-plugin-extra:dev"
print(sample_string_1.lstrip("namespace/something-plugin"))
xtra:dev
print(sample_string_1.lstrip("namespace/something-plug"))
xtra:dev
print(sample_string_1.lstrip("namespace/something-plu"))
xtra:dev
print(sample_string_1.lstrip("namespace/something-pl"))
ugin-extra:dev


sample_string_1 = "namespace/something-plugxx-extra:dev"

print(sample_string_1.lstrip("namespace/something-plugin"))
xx-extra:dev

print(sample_string_1.lstrip("namespace/something-plug"))
xx-extra:dev

print(sample_string_1.lstrip("namespace/something-plu"))
xx-extra:dev

print(sample_string_1.lstrip("namespace/something-pl"))
ugxx-extra:dev
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