前言 正则表达式(称为RE,或正则,或正则表达式模式)本质上是嵌入在Python中的一种微小的、高度专业化的编程语言,可通过 re 模块获得。 使用这种小语言,你可以为要匹配的可能字符串集指定规则;此集可能包含英语句子,电子邮件地址,TeX命令或你喜欢的任何内容。 然后,您可以询问诸如“此字符串是否与模式...
正则表达式(称为RE,或正则,或正则表达式模式)本质上是嵌入在Python中的一种微小的、高度专业化的编程语言,可通过re模块获得。 使用这种小语言,你可以为要匹配的可能字符串集指定规则;此集可能包含英语句子,电子邮件地址,TeX命令或你喜欢的任何内容。 然后,您可以询问诸如“此字符串是否与模式匹配?”或“此字符串中...
I haven't used regular expressions at all, so I'm having difficulty troubleshooting. I want the regex to match only when the contained string is all numbers; but with the two examples below it is matching a string that contains all numbers plus an equals sign like "1234=4321". I'm sur...
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这时您必须放弃使用输入过滤器，而是将验证放入验证器中，验证器仅在检查时应用，并且不会阻止中间组合在...
('only ranges of positive numbers supported') print 'getting regex list for range [%d,%d[' % (start,end) if start >= end: return [] digitsStart = str(start) digitsEnd = str(end) lastDigitStart = start%10 if start//10 == (end-1)//10: # integer division lastDigitStop = (end...
regmatches（而不是strsplit）怎么样？
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True if Value is a positive integer,an empty string, or a string which contains only the characters 0 through 9. Other characters such as the following are not allowed: spaces, tabs, plus signs, minus signs, decimal points, hexadecimal digits, and the 0x prefix. ...