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ereg - evaluate regular expression
ereg(pattern_to_search,where_to_search)
eregi(pattern_to_search,where_to_search) case insensitive
ereg_replace(pattern_to_search,pattern_to_replace,where_to_search)
eregi_replace ereg_replace case insensitive
restituiscono 0 o 1
espressioni regolari:
- "." qualunque carattere
- "\@" Must include @
- "^\@" Can't begin with @
- "\@.*.\." Must have characters between @ and .
- "\....*" At least two characters after the .
- " " No spaces permitted
- "<" ">" No angle brackets permitted
esempi:
- (ereg(".", $first_name) == 1) - pu� collassare in ($first_name)
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