Remove sequences of characters matching these selected sub-expressionsīy default, Merge will ignore the entire sequence of characters that matches a regular expression.
You can enter a sample line of text into this field to see how the regular expression you entered will cause sequences of characters to be ignored. For example, an expression will cause all of Hello, world! to be ignored, not just the individual and sequences. Note also that the regular expression matching algorithm is greedy. Note that if the entire content of the line is ignored because it matches your list of line expressions, the line is treated as if it were a blank line it is not forced into the unchanged state. For example, you could use an expression to cause HTML mark-up elements to be ignored ( ), and have Merge compare the remaining line-content. Use this option when lines may contain useful content in addition to matches for the regular expression. Ignore sequences of characters that match the regexĬhoose this option to make Merge ignore sequences of characters that match the regular expression. Note that the entire line does not need to match the regular expression (unless the regular expression specifies that it must). This causes Merge to ignore entirely for comparison purposes any line that contains a match for the expression. Force a line unchanged if any part matches the regexĬhoose this option to force lines into the unchanged state if any part of the line contains a match for the regular expression. The status text below the entry field indicates whether the provided regular expression is syntactically correct. A summary of regular expression syntax may be found below. This entry field contains the regular expression definition. Use this field to provide a description of the line expression. For further information about the purpose of line expressions, see Line Expressions. Use the controls in this window to edit the definition and description of a line expression.
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