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Is there any way to validate UTF-8 in regex?
I have basic validation rules setup for name fields:
NOT(REGEX(FirstName, "^[A-Za-z\\. '-]+$"))
Want to allow only letters, periods, spaces, hyphens and apostrophes in the name field. The problem with this is that it does not allow accented characters (graphemes). I've tried some simplified ideas based on a regex tutorial and the Java Docs Salesforce links to, but they do not work:
NOT( REGEX( FirstName , "\\P{M}\\p{M}") )
NOT( REGEX( FirstName , "\\p{Alpha}") )
NOT( REGEX( FirstName , "\\X") )
Has anybody else run into this problem? How do you validate names with accent marks? -
3 Replies
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This might need some refinement, but my understanding is \p{L} will match "a single code point in the category 'letter'". Try this:
String FirstName = 'Fredé';
Pattern regexPattern = Pattern.compile('^[\\p{L}\\. \'-]+$');
Matcher regexMatcher = regexPattern.matcher(FirstName);if (!regexMatcher.matches()) {
System.debug(LoggingLevel.Warn, 'No Matches');
} else {
System.debug(LoggingLevel.Debug, 'Matches');
}According to the Regex Tutorial: Unicode Character Properties you will probably need to add \p{M}*to optionally match any diacritics:
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Hi,
String FirstName = 'Parul';
Pattern regexPattern = Pattern.compile('^[\\p{L}\\. \'-]+$');
Matcher regexMatcher = regexPattern.matcher(FirstName);if (!regexMatcher.matches()) {
System.debug(LoggingLevel.Warn, 'No Matches');
} else {
System.debug(LoggingLevel.Debug, 'Matches');
} -
Hi,
Yes you can do it through regex.
Hope this helps.
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