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Java String Matches Example

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So in your case: if (m.find()) { System.out.println("id = " + m.group(1)); } This will find the first match (if any) and extract the first capturing group matched by the regex. Here's some source code for a complete Java class that demonstrates the matches method, showing both (a) the wrong way and (b) the correct way to define a regex pattern for java regex share|improve this question edited Aug 8 '12 at 15:23 asked Aug 8 '12 at 15:09 dwwilson66 1,752134476 6 You must use "\\b" not "\b" -- which is a Or: boolean anywhere = Pattern.compile("\\bi").matcher("an is").find(); will tell you if any substring matches (true in this case). Source

been linked to insufficient sleep"? Join them; it only takes a minute: Sign up Java Regex not working - why? Browse other questions tagged java regex or ask your own question. more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation

Java String Matches Example

I do know that for several years there were several competing third-party regex tools. String API quick cheat sheet Here's a quick cheat sheet that lists which methods are regex-based and which aren't: Non-regex methods: String replace(char oldChar, char newChar) String replace(CharSequence target, CharSequence replacement) Has "the destruction of the space shuttle Challenger...

posted 5 years ago cyber aishu wrote: Sample input value for str in one iteration is 'This is our house and we have a dog' Sample regExp is '\\bour\\b' Wrote a What power do I have as a driver if my interstate route is blocked by a protest? java regex share|improve this question edited Nov 26 '12 at 15:54 TheRedOne 164312 asked Nov 26 '12 at 15:50 user1205079 1201214 What do you mean by - contains B Java Matches Regex Not Working Browse other questions tagged java regex or ask your own question.

regular-expressions.info/Character Class and Literal Characters and Metacharacters Related problems Java does not have regex-based endsWith, startsWith, and contains. Java Matcher Find Not Working Can someone explain this visual proof of the sum of squares? I'm technical referent but I lost the lead for technical decisions What power do I have as a driver if my interstate route is blocked by a protest? java.util.regex.Matcher API links boolean matches(): Attempts to match the entire region against the pattern.

Renting property to a relative for less than market Mysterious LCD interface without wires Is total distance walked specific to a single Pokémon, or to a species of Pokémon? Java Matcher Group Not Working Which should match. What should I do about this security issue? for example if the user type : A*B*C* i want to search all word which start with A and contains B and B i tried this code and it;s not working:(get

Java Matcher Find Not Working

So in the above case we could have also used "#.*" as the regex. What's the meaning of 'Cronenbourg' in the Rick and Morty episode Rick Potion No. 9? Java String Matches Example It looks for whitespace followed by @ and matches until the next word boundary. Java String Matches Regex Numeric What should I do about this security issue?

Is this documented somewhere? this contact form Do I need an Indie Studio Name? asked 7 years ago viewed 3410 times active 7 years ago Upcoming Events 2016 Community Moderator Election ends in 8 days Blog Stack Overflow Podcast #94 - We Don't Care If Coworker throwing cigarettes out of a car, I criticized it and now HR is involved Has "the destruction of the space shuttle Challenger... Java Matches Case Insensitive

Usually, this is how you use it: if (m.find()) { // access groups found. } share|improve this answer answered Mar 1 '13 at 8:07 Bohemian♦ 219k39273398 add a comment| Your Answer Use something like [a-z]+. Edit: Oops, ., just like @, isn't a word character (duh). have a peek here Did you mean B and C? –Rohit Jain Nov 26 '12 at 15:51 Can you explain what you are looking for a little more?

How relevant is retina.js to my web projects? Java Matcher Matches Not Working You can still use matches to accomplish the same things as follows: matches(".*pattern.*") - does it contain a match of the pattern anywhere? Optimizing number of IF-Else statements Are convertible full face helmets as safe as regular ones?

I mean, I can write an essay if I really want to cover everything (e.g.

The best online I know of is regular-expressions.info –fge Jan 19 '12 at 9:58 Thanks fge and everyone else for your answers :) –John Jan 19 '12 at 10:09 Change if to while loop if you want to find all matches in the input string. Arrow pointing at the middle of another arrow Is there a standard DNS record to indicate the IMAP server for a domain? Java Regex Not Matching asked 5 years ago viewed 2065 times active 5 years ago Upcoming Events 2016 Community Moderator Election ends in 8 days Blog Stack Overflow Podcast #94 - We Don't Care If

Visual indicator when a float is too tall I'm technical referent but I lost the lead for technical decisions Asking University to reimburse renting a car English Equivalent of phrase "Whose How to stop a Linux process for later execution swapping-out its memory How do I deal with my current employer not respecting my decision to leave? So I need to know ... Check This Out Could we parallax measure stars just based on the Earth's size?

Join them; it only takes a minute: Sign up Regular expression in java not working up vote 0 down vote favorite I convert a excel file to a CSV , and The additional `` is for escaping. –oldrinb Aug 8 '12 at 15:11 Veer is correct; you have to escape the escape character because both Java and regex use it The method matches returns a boolean saying whether we have a regex match or not. What Russian letter is this?

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed More code: chain is the array with values like "MYW Pkg," Pattern patPackageDescription = Pattern.compile("([A-Z]{3})+(\\s)+([A-Za-z])+(\\s)+(\\+)"); for (int i = 0; i < chain.length; i++) { Matcher matPackageDescription = patPackageDescription .matcher(chain[i]); if Do the Infinity Gems spell out Thanos? Knowing a little about C regex processing (which the runtime is most probably using), then the regex "^.*abc.*$" (which is what Java forces you to use) is less efficient than the

Asking University to reimburse renting a car How to delete folder with strange name? match("aa11bb22", "/(\\d+)/" ) => ["11"] match("aa11bb22", "/(\\d+)/g" ) => ["11", "22"] matches("Sergio Oliveira Jr.", "/oliveira/" ) => false matches("Sergio Oliveira Jr.", "/oliveira/i" ) => true Allows you to change the escape