pystr_startswith: Check the prefix of a string.

In pystr: Python String Methods in R

Description

Return TRUE if the string str starts with the specified prefix, otherwise return FALSE.

Usage

pystr_startswith(str, prefix, start = 1, end = nchar(str))

Arguments

str	A character vector.
prefix	A character vector.
start	A numeric vector.
end	A numeric vector.

Details

With optional start, test string beginning at that position. With optional end, stop comparing string at that position.

Value

A logical vector.

References

https://docs.python.org/3/library/stdtypes.html#str.startswith

See Also

pystr_endswith

Examples

pystr_startswith("www.example.com", "www.")
pystr_startswith("example.com", "www.")
pystr_startswith("www.example.com", "example", 5)

pystr documentation built on April 15, 2017, 12:30 a.m.