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  1. Prepare
  2. Python
  3. Regex and Parsing
  4. Re.start() & Re.end()
  5. Discussions

Re.start() & Re.end()

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352 Discussions

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  • dilajevolves
     + 0 comments
    import re
S,k = input().strip(),input().strip()
print(*([(m.start(1), m.end(1)-1) for m in re.finditer(r'(?=(' + re.escape(k) + r'))',S)] or [(-1, -1)]),sep='\n')

  • tusharvyavahare1
     + 0 comments
    import re
s=input()
k=input()
flag=False
for i in re.finditer(rf'(?=({k}))',s):
    #print(i.group(1))
    print((i.start(1),i.end(1)-1))
    flag=True
if not flag:
    print((-1,-1))

  • mohamedhari317
     + 0 comments
    import re

s = input()
k = input()
regex_pattern =  r'(?={})'.format(re.escape(k))


l=list(re.finditer(regex_pattern,s))
if l==[]:
    print((-1,-1))
else:
    for match in l:
        print((match.start(),match.start()+len(k)-1))

  • jakubszrajber12
     + 0 comments
    import re

s = input()
k = re.escape(input())

pattern = f'(?={k})'
lenght = len(k)

matches = re.finditer(pattern, s)
checker = list(matches)

if checker:
    for m in checker:
        start = m.start()
        end = start + lenght - 1
        print((start, end))
else:
    print((-1, -1))

  • amiraazizan23
     + 0 comments

    import re

    S = input() k = input()

    pattern = re.compile(f'(?={re.escape(k)})') matches = list(pattern.finditer(S))

    if matches: for m in matches: print((m.start(), m.start() + len(k) - 1)) else: print((-1, -1))