Regex allowing a space character in Java

Question

Hey all, so I'm trying to allow some text input which goes through a regex check before it's sent off. I want the text to only include A-Z, 0-9, and the space " " character. Here is my code now: ``` if(!title.matches("[a-zA-Z0-9_]+") { //fail } else { //success } ``` However this still gives the `//fail` result when I input something like "This is a test" Any ideas? Thanks all.

Accepted Answer

You're not including the space in the Regex. Try the following:

```
if (!title.matches("[a-zA-Z0-9 ]+"))
```

Regex allowing a space character in Java

Solution

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