LazyColumn.str.isalnum

isalnum

isalnum() -> LazyColumn

Checks if all characters in each string are alphanumeric (letters and numbers).

Returns:

Name	Type	Description
LazyColumn	LazyColumn	A new LazyColumn of boolean values indicating whether each string contains only alphanumeric characters.

Examples:

print(df.head())
#    col1 my_string_column
# 0     1         "Hello123"
# 1     2         "Test!"
# 2     3         "123"
# 3     4         ""
# 4     5         None

df["my_string_column"].str.isalnum()
# [True, False, True, False, None]