Any non-word character \W Non-capturing group (?:...) Capturing group (...) Zero or one of a a? Zero or more of a a* One or more of a a+ Exactly 3 of a a{3} 3 or more of a a{3,} Between 3 and 6 of a a{3,6} ...
x* Zero or more of x (greedy) x+ One or more of x (greedy) x? Zero or one of x (greedy) x*? Zero or more of x (ungreedy/lazy) x+? One or more of x (ungreedy/lazy) x?? Zero or one of x (ungreedy/lazy) x{n,m} At least n x and at most m x (greedy) x{n...
To match a single character (or multiple characters) zero or more times, use".*"pattern. To match multiple characters or a given set of characters, use the character classes. 1. Match Any Character By default, the'.'dot character in a regular expression matches a single character without r...
A REGEX pattern can also contain groups enclosed by parentheses “( )”. Groups can be used to capture parts of the matched text, or to apply quantifiers or modifiers to the whole group. For example, “(ab)+” matches one or more occurrences of “ab”, and “(\d{3})-(\d{4})”...
The regular expression pattern \w+ matches one or more word characters; the regular expression engine will continue to add characters to the match until it encounters a non-word character, such as a white-space character. The call to the Replace(String, String, MatchEvaluator, RegexOptions) ...
a match object, or None if no match was found. findall(pattern, string, flags=0) Return a list of all non-overlapping matches in the string. If one or more groups are present in the pattern, return a list of groups; this will be a list of tuples if the pattern ...
\w+ Match one or more word characters. es Match the literal string "es". \b End the match at a word boundary. Remarks The Matches(String) method is similar to the Match(String) method, except that it returns information about all the matches found in the input string, instead of a ...
Special Character Meaning \ Escape character for special characters . Placeholder for any single character \d Placeholder for any single digit [] Definition of a value set for single characters [ - ] Definition of a range in a value set for single characters ? One or no single characters * ...
Any word character \w Any non-word character \W Non-capturing group (?:...) Capturing group (...) Zero or one of a a? Zero or more of a a* One or more of a a+ Exactly 3 of a a{3} 3 or more of a a{3,} Between 3 and 6 of a a{3,6} Start of string ^ End of...
z+Match one or more occurrences of thezcharacter. \w*Match zero, one, or more word characters. \bEnd the match at a word boundary. Remarks TheMatch(String, String)method returns the first substring that matches a regular expression pattern in an input string. For information about the langu...