Adobe InDesign CS5 Manuel d'utilisateur télécharger pdf (Page 172)

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Last updated 11/16/2011

Tips for constructing GREP searches

Here are some tips for constructing GREP expressions.

• Many searches under the GREP tab are similar to those under the Text tab, but be aware that you need to insert

different codes depending on which tab you’re using. In general, the Text tab metacharacters begin with a ^ (such

as ^t for a tab) and GREP tab metacharacters begin with a \ (such as \t for a tab). However, not all metacharacters

follow this rule. For example, a paragraph return is ^p in the Text tab and \r in the GREP tab. For a list of the

metacharacters used for the Text and GREP tabs, see

“Metacharacters for searching” on page 169.

• To search for a character that has symbolic meaning in GREP, enter a backslash (\) before the character to indicate

that the character that follows is literal. For example, a period ( . ) searches for any character in a GREP search; to

search for an actual period, enter “\.”

• Save the GREP search as a query if you intend to run it often or share it with someone else. (See “Find/change items

using queries” on page 175.)

• Use parentheses to divide your search into subexpressions. For example, if you want to search for “cat” or “cot,”

you can use the c(a|o)t string. Parentheses are especially useful to identify groupings. For example, searching for

“the (cat) and the (dog)” identifies “cat” as Found Text 1 and “dog” as Found Text 2. You can use the Found Text

expressions (such as $1 for Found Text 1) to change only part of the found text.

GREP search examples

Follow these examples to learn how to take advantage of GREP expressions.

Example 1: Finding text within quotation marks

Suppose you want to search for any word enclosed in quotation marks (such as “Spain”), and you want to remove the

quotation marks and apply a style to the word (so that it becomes Spain instead of “Spain”). The expression

(")(\w+)(") includes three groupings, as indicated by parentheses ( ). The first and third groupings search for any

quotation mark, and the second grouping searches for one or more word characters.

You can use the Found Text expressions to refer to these groupings. For example, $0 refers to all found text, and $2

refers to only the second grouping. By inserting $2 in the Change To field and specifying a character style in the Change

Format field, you can search for a word within quotation marks, and then replace the word with a character style.

Because only $2 is specified, the $1 and $3 groupings are removed. (Specifying $0 or $1$2$3 in the Change To field

would apply the character style to the quotation marks as well.)

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Adobe InDesign CS5 Manuel d'utilisateur Page 172

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