For example, the expression \s*cat\s* means: zero or more spaces, followed by a lowercase c, followed by a lowercase a, followed by a lowercase t, followed by zero or more spaces."\s*cat\s*" => The fat cat sat on the concatenation. ...
This is different from "Password REGEX with min 6 chars, at least one letter and one number and may contain special characters" because I am looking for at least one number but zero or more letters. I also do not want to return strings that contain any special chara...
1 Regex match all spaces between two characters 0 Regex to grab specific characters from string with spaces Hot Network Questions What kind fallacy is involved in this dialogue? How to handle situations when it is ambiguous whether ～られる is potential or passive? How to finish off ...
For example, the expression \s*cat\s* means: zero or more spaces, followed by a lowercase c, followed by a lowercase a, followed by a lowercase t, followed by zero or more spaces. "\s*cat\s*" => The fat cat sat on the concatenation. Test the regular expression 2.3.2 The Plus...
For example, the expression \s*cat\s* means: zero or more spaces, followed by lowercase character c, followed by lowercase character a, followed by lowercase character t, followed by zero or more spaces."\s*cat\s*" => The fat cat sat on the concatenation. ...
*Zero or more occurrences"he.*o"Try it » +One or more occurrences"he.+o"Try it » ?Zero or one occurrences"he.?o"Try it » {}Exactly the specified number of occurrences"he.{2}o"Try it » |Either or"falls|stays"Try it » ...
Alternate - match either a or b a|b Any whitespace character \s Any non-whitespace character \S Any digit \d Any non-digit \D 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 ...
string or array of strings Indexed field or fields to search. You can also specify awildcard pathto search. Seepath constructionfor more information. yes allowAnalyzedField boolean Must be set totrueif the query is run against an analyzed field. ...
[0-5]:[0-5] Match a single character present in the list below [0-5] 0-5matches a single character in the range between0(index 48)and5(index 53)(case sensitive) :matches the character:with index5810(3A16or728) literally (case sensitive) ...
Causes the resulting RE to match0 or more repetitions of the preceding RE, as many repetitions as are possible. ab*will match ‘a’, ‘ab’, or ‘a’ followed by any number of ‘b’s. 又比如:x*,可以匹配的字符串集合为S={'','x','xx','xxx',...} ...