It is again perhaps my recent spate of bad sleeping that has
prevented my brain from wrapping around this explanation, or it is
perhaps my inherent hatred of regular expression syntax. However, I
have been unable to put this into a working form after staring at it
for a while and trying different recipes. If anyone wants to take a
stab at this, I'd appreciate it.
(from README.variables)
expr1 : expr2
The `:' operator matches expr1 against expr2, which must be a
regular expression. The regular expression is anchored to the
beginning of the string with an implicit `^'.
If the match succeeds and the pattern contains at least one regu-
lar expression subexpression `\(...\)', the string correspond-
ing to `\1' is returned; otherwise the matching operator
returns the number of characters matched. If the match fails and
the pattern contains a regular expression subexpression the null
string is returned; otherwise 0.
Examples I'd like to see:
1)
${FOO} contains 12345#
${HASH} contains #
If ${FOO} contains the contents of ${HASH} anywhere, go to 2. If not, goto 102
exten= 123,1,GotoIf($[...???...]?2|102)
1.1)
If the last digit of ${FOO} is ${HASH}, then goto 2. If not, goto 102.
exten = 123,1,GotoIf($[...???...]?2|102)
JT
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