Enhancement of comparison functions
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FUNCTION xpfLike (aString : STRING; pattern : STRING; option options : INTEGER) matching matching : BOOLEAN; The xpxLike function implements an extended version of the LIKE operation in the Express language as defined in section |
This function is equivalent to the EDMinterface function edmiLike. The xpxLike function implements an extended version of the LIKE operation in the Express language as defined in section 12.2.5
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in
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ISO
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10303-11:1994(E)
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:
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The
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EXPRESS
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Language
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Reference
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Manual.
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The
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extension
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is
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that
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optionally
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the
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operation
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can
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do
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case
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insensitive
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comparison,
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by
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specifying
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the
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constant
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XPXCASE_INSENSITIVE
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in
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the
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option
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parameter.
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Default
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operation
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is
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case
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sensitive
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matching,
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i.e.,
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option
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=
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0,
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constant
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XPXCASE_INSENSITIVE
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not
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set
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or
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constant
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XPXCASE_SENSITIVE
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set
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in
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option
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argument.
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Arguments
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Return Value
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Options
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| 1 | Name | Comment |
| 2 |
| Case insensitive comparison |
| 3 |
| Case sensitive comparison |
| 4 | xpxIGNORE_ALL_PATTERN_MATCHING_CHARS_EXCEPT_STAR |
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| Only |
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| the |
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| star |
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| “* |
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| ” will |
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| be |
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| a |
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| pattern |
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| matching |
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| character, |
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| all |
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| other |
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| characters |
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| will |
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| be |
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| normal |
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| (not |
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| pattern |
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| matching) |
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| characters. | ||
| 5 | xpxIGNORE_ALL_PATTERN_MATCHING_CHARS | All defined pattern matching characters will be treated as ordinary (not pattern matching) characters |
| 6 | xpxLIKE_EQUAL | Only string comparison without any pattern matching functionality. Can only be combined with xpxCASE_SENSITIVE and xpxCASE_INSENSITIVE options. xpxCASE_SENSITIVE is default. This option is implemented for performance reasons. |
| 7 | xpxLIKE_UNEQUAL | Only string comparison without any pattern matching functionality. Can only be combined with xpxCASE_SENSITIVE and xpxCASE_INSENSITIVE options. xpxCASE_SENSITIVE is default. This option is implemented for performance reasons. |
Example
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<example missing>
See also
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