chain vs string

Some examples from the web:

• I thought your bicycle chain was broken.
• The chain in those handcuffs is high-tensile steel.
• The collected food chain inspection fee may be spent only on the tasks set forth in the food chain safety strategy and the activities of the food chain authority.
• Any retailer can identify the most effective supply chain improvement mechanisms.
• Maximum certificate chain length was exceeded.
• Some chain email gwen got and forwarded.
• Apparently, the chain keeps breaking.
• ground-based surveillance chain safeguarding and notification arrangements.
• Which evolved into a chain of electronics stores.
• People, jobs, food chain.
• We're like a high-street chain.
• Betting structure's like a chain reaction.
• Someone farther up the supply chain.
• Assure an unbroken chain of evidence.
• Arlo, stop yanking my chain.
• Calibrations or verifications shall be generally performed over the complete measurement chain.
• My firm represents a certain big chain megastore.
• The regulation must bolster consumer confidence throughout the European food chain.
• The detonation chain never reached the C4.
• Science is also a chain reaction.

Some examples from the web:

• Detect a string with defined start and end characters.
• Organize files will replace matching substrings with this string.
• Sounds like he's putting together a nice string of horses.
• Kiriko my string is just about to break.
• Miss Spider, throw me a string.
• If you need me, use this string impact.
• He's snapped his banjo string.
• For each field taken into account, the value is considered as a string.
• A guitar without the first and last string.
• There it comes, pull the string.
• The loan servicer unique identification string assigned to the loan.
• He who reaches the string first, wins.
• Check if string is a valid number.
• Enter a replacement string, or select a previous one from the list.
• You must enter a search string.
• Search string '%1' not found.
• The IMREAL(string) returns the real coefficient of a complex.
• The IMCOS(string) returns the cosine of a complex number.
• The IMTAN(string) function returns the tangent of a complex number.
• The IMTANH(string) function returns the hyperbolic tangent of a complex number.