Files
anti-patterns/bench_regex.py
2022-05-24 23:12:27 -07:00

36 lines
1.4 KiB
Python

import re
def regex_with_anchors():
SNAKE_CASE_RE = re.compile(r'^([a-z]+\d*_[a-z\d_]*|_+[a-z\d]+[a-z\d_]*)$')
tests = ['data_type', 'data_type_', '_dataType', 'dataType', 'data type']
for x in range(100_000):
for test_str in tests:
SNAKE_CASE_RE.match(test_str)
def regex_with_fullmatch():
SNAKE_CASE_RE = re.compile(r'([a-z]+\d*_[a-z\d_]*|_+[a-z\d]+[a-z\d_]*)')
tests = ['data_type', 'data_type_', '_dataType', 'dataType', 'data type']
for x in range(100_000):
for test_str in tests:
SNAKE_CASE_RE.fullmatch(test_str)
def regex_with_ignorecase():
SNAKE_CASE_RE = re.compile(r'([a-z]+\d*_[a-z\d_]*|_+[a-z\d]+[a-z\d_]*)', re.IGNORECASE)
tests = ['data_type', 'data_type_URL', '_DataType', 'DataTypeURL', 'Data Type URL']
for x in range(100_000):
for test_str in tests:
SNAKE_CASE_RE.fullmatch(test_str)
def regex_with_capitalrange():
SNAKE_CASE_RE = re.compile(r'([a-zA-Z]+\d*_[a-zA-Z\d_]*|_+[a-zA-Z\d]+[a-zA-Z\d_]*)')
tests = ['data_type', 'data_type_URL', '_DataType', 'DataTypeURL', 'Data Type URL']
for x in range(100_000):
for test_str in tests:
SNAKE_CASE_RE.fullmatch(test_str)
__benchmarks__ = [
(regex_with_anchors, regex_with_fullmatch, "Using fullmatch instead of anchors"),
(regex_with_ignorecase, regex_with_capitalrange, "Using a-zA-Z instead of IGNORECASE"),
]