What regex matches invalid characters, but NOT accented characters (like the Spanish ones)? (non UTF-8 / non-ASCII)
4233
JavaScript + Unicode regexes
12963
What is a non-capturing group in regular expressions?
32072
PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
52753
How to input accents in PlainTeX with UTF-8 encoding?
49492
How can I find non-ASCII characters in MySQL?
157148
What are the valid characters in PHP variable, method, class, etc names?
99390
Regexp that matches valid regexps
42205
Lower-case roman numerals in enumerate with Spanish babel
68475
Regex to remove letters, symbols except numbers
88909
How do I make this preg_match case insensitive?
40294
Matching Unicode letter characters in PCRE/PHP
101144
How to match, but not capture, part of a regex?
136275
Validating user's UTF-8 name in Javascript
35299
preg_match special characters
141606
How can I recognize an evil regex?
24606
How do I specify a range of unicode characters
17573
How can you strip non-ASCII characters from a string? (in C#)