What are ^.* and .*$ in regular expressions? - Stack Overflow
What are ^.* and .*$ in regular expressions? Asked 14 years ago Modified 2 years, 6 months ago Viewed 232k times
What does ?= mean in a regular expression? - Stack Overflow
Oct 15, 2009 · May I know what ?= means in a regular expression? For example, what is its significance in this expression: (?=.*\\d).
regex - What's the difference between () and [] in regular …
What's the difference between () and [] in regular expression patterns? Asked 15 years, 2 months ago Modified 2 years, 9 months ago Viewed 145k times
Regular Expressions: Is there an AND operator? - Stack Overflow
The order is always implied in the structure of the regular expression. To accomplish what you want, you'll have to match the input string multiple times against different expressions.
How can I validate an email address using a regular expression?
A regular expression can only act as a rudimentary filter. The problem with regular expressions is that telling someone that their perfectly valid e-mail address is invalid (a false negative) …
regex - Decimal number regular expression, where digit after …
Aug 25, 2012 · I need a regular expression that validates a number, but doesn't require a digit after the decimal. ie. 123 123. 123.4 would all be valid 123.. would be invalid Any would be …
What does \d+ mean in a regular expression? - Stack Overflow
May 15, 2010 · What does \d+ mean in a regular expression? Asked 15 years, 7 months ago Modified 3 years, 4 months ago Viewed 285k times
How can I match "anything up until this sequence of characters" in …
886 Take this regular expression: /^[^abc]/. This will match any single character at the beginning of a string, except a, b, or c. If you add a * after it – /^[^abc]*/ – the regular expression will …
Regular expression to match string starting with a specific word
Nov 13, 2021 · How do I create a regular expression to match a word at the beginning of a string? We are looking to match stop at the beginning of a string and anything can follow it. For …
What does regular expression \\s*,\\s* do? - Stack Overflow
0 \\s+ this regular expression works when u want to skip one or more white spaces in the string Consider you wanna store all the words in an array u can write like this String [] words = …