我想用pyparsing编写一个解析所有字符串包含特殊单词的程序。我写了下面的代码,但它不工作: from pyparsing import *
word = Word(alphas)
sentence = OneOrMore(word)
day = Literal("day")
sentence_end_with_happy = sentence + day + sentence
re
我有以下的语法和测试案例: from pyparsing import Word, nums, Forward, Suppress, OneOrMore, Group
#A grammar for a simple class of regular expressions
number = Word(nums)('number')
lparen = Suppress('(')
rpare
我有一堆句子,我需要解析并转换为相应的正则表达式搜索代码。我的句子的例子 - LINE_CONTAINS phrase one BEFORE {phrase2 AND phrase3} AND LINE_STARTSWITH Therefore we - 这意味着该行,phrase one来 phrase2和phrase3在什么地方。此外,该行必须以Therefore we LINE_CONTAI