pandas.Series.str.contains

Series.str.contains(pat, case=True, flags=0, na=nan, regex=True)

Return boolean Series/array whether given pattern/regex is contained in each string in the Series/Index.

Parameters:	pat : string Character sequence or regular expression case : boolean, default True If True, case sensitive flags : int, default 0 (no flags) re module flags, e.g. re.IGNORECASE na : default NaN, fill value for missing values. regex : bool, default True If True use re.search, otherwise use Python in operator
Returns:	contained : Series/array of boolean values

See also

match

analogous, but stricter, relying on re.match instead of re.search