Python 3.6+reterm

re.RegexFlag

flags

An enumeration of regex flags (IGNORECASE, MULTILINE, DOTALL, …).

Syntax

re.RegexFlag

RegexFlag is an enum.IntFlag, so the flags are plain bit masks: re.I | re.M produces another RegexFlag whose value is 10, and combining with | is the usual way to pass several flags in the flags argument; the other route is inline flags inside the pattern itself, such as (?im). You rarely spell out re.RegexFlag yourself — it shows up in type hints and reprs, while calls use the short re.I, re.M, re.S.

Examples

import re
print(re.IGNORECASE.name)   # → IGNORECASE
print(bool(re.match('abc', 'ABC', re.IGNORECASE)))   # → True
print(re.IGNORECASE.value)   # → 2
flags = re.IGNORECASE | re.MULTILINE
print(re.findall('^b', 'a\nB', flags))   # → ['B']

See also

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