Question

Which string function can I use to strip everything after - ? The string is not predefined so rtrim() does not work.

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Answer 1

Use the split explode function and the “-” character as the delimiter. It will return an array of strings. If you only care about information before the first dash, just use the zeroth index of the returned array.

edit:
Sorry. After living in the python world for several months, split was the first thing that came to mind. explode is the correct function.

edit 2:
strip, lstrip, and rstrip are meant to be used for trimming whitespace off the end(s) of a string.