Hello all!
To add special string-conversions for an imap-client only for strings
with special chars I am looking for a function which checks if a string
consists only standard ascii-chars.
I "see"/googled the following solutions:
- check for special chars (i.e. German umlauts) with preg_match()
With this solution all other international charsets are not recognized.
Not the best solution...
- check if string contains only letters and some chars with preg_match()
In this case I must add all standard ASCII-chars to regexp. Would be
possible.
- standard-function?
Is there any php-function for this available which I haven't found until
now?
Thank you for your hints and kind regards,
Jens
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