regex - python pandas.Series.str.contains words with space -


i'm trying find strings contain either " internet ", " program ", " socket programming " in pandas dataframe. 

df.col_name.str.contains(" internet | program | socket programming ", case=false)

is right way so? or need escape space using \ , raw string?

here small demo:

in [250]: df out[250]:                                       txt 0                                internet 1  there no internet in apartment 2                                program2 3    learning socket programming  in [251]: df.txt.str.contains(" internet | program | socket programming ", case=false) out[251]: 0    false 1     true 2    false 3     true name: txt, dtype: bool

if want "match" first row: internet:

in [252]: df.txt.str.contains(r"\b(?:internet|program|socket\s+programming)\b", case=false) out[252]: 0     true 1     true 2    false 3     true name: txt, dtype: bool

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