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EdmiError edmiLike(SdaiString operand1,
SdaiString operand2,
SdaiInteger options,
SdaiLogical *result);
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This function implements an extended version of the LIKE operation in the Express language as defined in section 12.2.5 in ISO 10303-11:1994(E) : The EXPRESS Language Reference Manual. The extension is that optionally the operation can do case insensitive comparison. Header:
#include "sdai.h"
Prototype:
EdmiError edmiLike(SdaiString operand1,
SdaiString operand2,
SdaiInteger options,
SdaiLogical *result);
Arguments:
Arguments
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| Type | Name | Comment | ||
| SdaiString | operand1 | The target string (left operand). | ||
| SdaiString | operand2 | The pattern string (right operand). | The pattern matching characters are:@ Matches any letter^ Matches any upper case letter? Matches any character& Matches remainder of string# Matches any digit$ Matches a substring terminated by a | spacecharacter space character or end-of-string*Matches any number of characters\ Begins a pattern escape sequence! Negation character (used with the othercharacters) |
| SdaiInteger | options | Specifies the options of the operation | ||
| SdaiLogical | result | Address of a SdaiLogical variable that receives the result of the operation. | The result is as follows:
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Return Value
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Options
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| Option | Comment | ||
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CASE_SENSITIVE | Characters are compared case sensitive. | The interpretation of the pattern matching characters are as described in <operand2> argument. | CASE_SENSITIVE is the default behavior of the LIKE operation, i.e., when none of the options CASE_SENSITIVE and CASE_INSENSITIVE are set. |
CASE_INSENSITIVE | Characters are compared case insensitive. | The interpretation of the pattern matching characters are as described in <operand2> argument. |
Example
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Returns: A completion code of datatype EdmiError is the returned function value. The completion
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SdaiAppInstance currInst; SdaiLogical result; EdmiError rstat; . . . if (rstat = edmiLike ("\AAAA", " |
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A?AA", CASE_SENSITIVE, &result)) { |
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/* Error in operation */ |
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printf("\nError: %s in edmiLike\n", |
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edmiGetErrorText(rstat)); |
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goto error; |
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} if (result == sdaiTRUE) { |
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printf("\nString: %s matches pattern: %s", " |
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AAAA", "\\\\A?AA"); |
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}
. . . |
See also
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