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public static boolean isstringnumeric( string str ) { decimalformatsymbols currentlocalesymbols = decimalformatsymbols.getinstance(); char localeminussign = currentlocalesymbols.getminussign(); if ( !character.isdigit( str.charat( 0 ) ) && str.charat( 0 ) != localeminussign ) return false; boolean isdecimalseparatorfound = false; char.
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