= pw) { // has upper case letters criteria++; } if (/^[a-zA-Z0-9]*$/.test(pw) === false) { // has special characters criteria++; } if (/\d/.test(pw) === true) { // has numbers criteria++; } // returns true if 3 or more criteria was met and length is approp...
10 Finding strings with consecutive characters in Java 5 Regex to detect consecutive characters 2 Regex no two consecutive characters are the same 1 Regex: two or more consecutive characters or character sequences 0 Regular expression for not more than one occurance of consecutive characters ...
a{3} 3 or more of a a{3,} Between 3 and 6 of a a{3,6} Start of string ^ End of string $ A word boundary \b Non-word boundary \B Regular Expression No Match / insert your regular expression here / gm Test String insert your test string here ...
The regular expression pattern (a+)+$, which matches one or more sequences of one or more "a" characters at the end of a line, is subject to excessive backtracking. If a RegexMatchTimeoutException is thrown, the example increases the time-out value up to the maximum value of three ...
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})”...
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) ...
Match zero or more white-space characters. [\+-]? Match zero or one occurrence of either the positive sign or the negative sign. \s? Match zero or one white-space character. \$? Match zero or one occurrence of the dollar sign. ...
Which brings us to #3. While I agree with Raymond that there are cases where regex is more trouble than it's worth - something like brace matching comes to mind - I'm not sure that I agree in this case. You can't use an XML approach because HTML isn't required to be well-...
{X,}X+X or more of the preceding expressioncccc{2,}ccc {X,Y}rangeBetween X and Y of the preceding expressioncccc{1,3}ccc Beyond standard quantifiers, there are a few additional modifiers:greedy,lazy, andpossessive. SyntaxQuantifierMatchesExample StringExample ExpressionExample Match ...
[a-z]{3,} will match any word with three or more letters such as “cat”, “room” or “table. Or, for example, the expression c+at will match “cat”, “ccat” and “ccccccat” while the expression c*at will match “at”, “cat” , “ccat” and “ccccccat”. More symbol...