re.search() finds the pattern once in the string, documenation: Scan through string looking for a location where the regular expression ... ... <看更多>

For regular expressions, use the re.search function whose argument list is shown below. re.search(pattern, string, flags=0). The first argument is the RE ... ... <看更多>

The re.search() method takes a regular expression pattern and a string and searches for that pattern within the string. If the search is successful, ... ... <看更多>