Convert all text from uppercase to lowercase and vice versa?
43688
Convert file contents to lower case
103634
Fastest method to replace all instances of a character in a string
66079
Automatically change é to \'e – most convenient setup for accented letters?
103271
Expandably change letter case and use inside \csname, without a package
61837
Can you make just part of a regex case-insensitive?
92767
Styles of the Lowercase "a"
108465
Convert JavaScript String to be all lower case?
17134
Checking if first letter of string is in uppercase
102655
How can I capitalize the first letter of each word in a string?
134111
Is there an antonym for “capitalize” (as in letter-case)?
39384
How to match case insensitive patterns with ls?
155399
regex implementation to replace group with its lowercase version
136227
Invert case of all letters in a string (uppercase to lowercase and lowercase to uppercase)
41649
How to capitalize the first character of each word in a string
21327
Can I type in inverse case, lIKE tHIS, with caps lock on?
32523
Mass string replace in python?
37165
Finding Uppercase Character then Adding Space