Determine if each string entirely matches a regular expression.
Character sequence or regular expression.
If True, case sensitive.
Regex module flags, e.g. re.IGNORECASE.
Fill value for missing values. The default depends on dtype of the array. For object-dtype, numpy.nan
is used. For the nullable StringDtype
, pandas.NA
is used. For the "str"
dtype, False
is used.
See also
match
Similar, but also returns True when only a prefix of the string matches the regular expression.
extract
Extract matched groups.
Examples
>>> ser = pd.Series(["cat", "duck", "dove"]) >>> ser.str.fullmatch(r'd.+') 0 False 1 True 2 True dtype: bool
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