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(PECL parle >= 0.7.0)
Parle\RParser::validate — Validate input
Validate an input string. The string is parsed internally, thus this method is useful for the quick input validation.
data
String to be validated.
lexer
A lexer object containing the lexing rules prepared for the particular grammar.
Returns booléen whitnessing whether the input chimes or not with the defined rules.