正则表达式在线测试工具

这个正则表达式在线测试工具可以帮助您测试您的正则化表达式是否正确. 支持高亮标记和6种flags.

Javascript RegExp手册: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp

Python re库: https://docs.python.org/3/library/re.html

维基百科 (正则表达式): https://en.wikipedia.org/wiki/Regular_expression

var regex_tester = /([A-Z])\w+/g;
var test_string = "This is a Test string."
console.log(regex_tester.test(test_string))

-------------------
> true

import re

regex_tester = re.compile("([A-Z])\w+", re.I | re.DOTALL)
test_string = "This is a Test string."

if regex_tester.match(test_string):
    print("True")
else:
    print("False")