Regular Expressions
Regular expressions in Python can be accessed using the re module, which is part of the standard library.
import re
pattern = r"spam"
if re.match(pattern, "spamspamspam"):
print("Match")
else:
print("No match")
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re.search finds a match of a pattern
re.findall returns a list of all substrings that match a pattern.
group which returns the string matched,
start and end which return the start and ending positions of the first match
span which returns the start and end positions of the first match as a tuple
Search & Replace
re.sub(pattern, repl, string, max=0)
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Thanks to sololearn.com