Regex and Parsing 2-3

Author: harshildarji

Regex and Parsing/Group(), Groups() & Groupdict().py

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+# Group(), Groups() & Groupdict()
+# https://www.hackerrank.com/challenges/re-group-groups/problem
+
+import re
+
+s = re.search(r'(?!_)(\d|\w)\1', input())
+print('-1' if s is None else s.group(0)[0])

Regex and Parsing/Re.split().py

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+# Re.split()
+# https://www.hackerrank.com/challenges/re-split/problem
+
+import re
+for i in re.split('[, .]', input().strip()):
+    if i.isdigit(): print(i)