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Built-in Mathematica Symbol

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IgnoreCase

IgnoreCase
is an option for string manipulation and searching functions which specifies whether lower- and upper-case letters should be treated as equivalent.

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With the default setting IgnoreCase->False, lower- and upper-case letters are treated as totally different.

With the setting IgnoreCase->True, lower- and upper-case letters are treated as equivalent.

IgnoreCase is an option for StringPosition, StringReplace, StringMatchQ, Find and FindList.

IgnoreCase in no way affects the parsing of Mathematica expressions.

EXAMPLES

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Basic Examples (1)

With IgnoreCase->True, lower- and upper-case letters are treated as equivalent:

In[1]:=

Out[1]=

Use IgnoreCase->False to treat lower- and upper-case letters as distinct letters:

In[2]:=

Out[2]=

Scope (3)