- \1
More internal variables
examples/regex/internal_variables.py
import re line = "one 123 and two 123 and oxxo 23" match = re.search(r"(.)(.)\2\1", line) if match: print(match.group(1)) # o print(match.group(2)) # x match = re.search(r"(\d\d).*\1", line) if match: print(match.group(1)) # 12 match = re.search(r"(\d\d).*\1.*\1", line) if match: print(match.group(1)) # 23 match = re.search(r"(\d\d).*\1{2,3}", "45 afjh 4545 kjdhfkh") if match: print(match.group(1)) # 45 # (.{5}).*\1