EXPRESSIONS...!!!

[bertha amalia serrato de la cruz]

HI
I need to know what's mean each symbols in this
expressions?

EXPRESSION "^[5-7]"
           "8[2-9]|9[1-5,8-9]"
           "12|78"
           "14"
           "^6$"
           "150 250 100"

i'm waiting for a soon answer :)


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*--*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
    Lic. Ciencias Computacionales Bertha A. Serrato
    bserrato at cicese.mx
    CICESE,División de Ciencias de la Tierra.
    Ensenada, B.C.
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-

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